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Transmittal Note

SUPPLEMENT TO

ANNEX 3 METEOROLOGICAL SERVI CE FOR INTERNATIONAL AIR NAVIGATION

(Fifteenth Edition)

1. The attached Supplement supersedes all previous Supplements to Annex 3 and includes differences notified byContracting States up to 15 June 2005 with respect to all amendments up to and including Amendment 73.

2. This Supplement should be inserted at the end of Annex 3 (Fifteenth Edition). Additional differences received fromContracting States will be issued at intervals as amendments to this Supplement.

___________________

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SUPPLEMENT TO

ANNEX 3 METEOROLOGICAL SERVI CE FORINTERNATIONAL AIR NAVIGATION

(Fifteenth Edition)

Differences between the national regulations and practices of Contracting Statesand the corresponding International Standards and Recommended Practicescontained in Annex 3, as notified to ICAO in accordance with Article 38 of theConvention on International Civil Aviation and the Councils resolution of 21 November 1950.

JUNE 2005

I N T E R N A T I O N A L C I V I L A V I A T I O N O R G A N I Z A T I O N

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RECORD OF AMENDMENTS TO SUPPLEM ENT

No. Date Entered by No. Date Entered by

1 16/2/06 ICAO

2 22/9/06 ICAO

3 12/12/06 ICAO

AMENDMENTS TO ANNEX 3 ADOPTED OR APPROVED BY THE COUNCILSUBSEQUENT TO THE FI FTEENTH EDITI ON ISSUED J ULY 2004

No.

Date of adoption or

approvalDate

Applicable No.

Date of adoption or

approvalDate

applicable

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SUPPLEMENT TO ANNEX 3 (FIFTEENTH EDITION) (iii)

1. Contracting States which have notified ICAO of differences

The Contracting States listed below have notified ICAO of differences which exist between their national regulationsand practices and the International Standards and Recommended Practices of Annex 3 (Fifteenth Edition), up to andincluding Amendment 73, or have commented on implementation.

The page numbers shown for each State and the dates of publication of those pages correspond to the actual pages inthis Supplement.

State Date of

notification Pages in

Supplement Date of

publication

Algeria 20/10/04 1 15/6/05Argentina 21/10/04 12 15/6/05Australia 26/10/04 15 15/6/05Azerbaijan 10/8/06 13 12/12/06Belarus 22/10/04 13 15/6/05

Belgium 23/1/06 1 16/2/06Canada 20/10/04 13 15/6/05Chile 25/10/04 12 15/6/05China 24/11/04 1 15/6/05Colombia 28/10/04 1 15/6/05Cuba 8/7/04 12 15/6/05Czech Republic 14/11/05 1 16/2/06Estonia 20/10/04 1 15/6/05Finland 19/12/05 1 16/2/06France 20/10/04 13 15/6/05Germany 19/10/04 1 15/6/05India 3/10/06 1 12/12/06Ireland 10/11/05 1 16/2/06

Japan 12/12/06 12 12/12/06Kyrgyzstan 22/12/05 1 16/2/06Latvia 17/5/06 16 22/9/06Lithuania 18/6/04 1 15/6/05Malaysia 2/6/05 1 15/6/05New Zealand 5/7/04 13 15/6/05Portugal 17/11/04 12 15/6/05Republic of Moldova 15/6/05 12 15/6/05Romania 25/10/04 1 15/6/05Russian Federation 19/4/04 1 15/6/05Slovakia 25/10/04 12 15/6/05Slovenia 5/10/06 1 12/12/06Spain 29/5/06 1 22/9/06Sweden 25/10/04 1 15/6/05Switzerland 3/11/04 14 15/6/05Ukraine 6 & 25/10/04 16 15/6/05United Kingdom 21/10/04 14 15/6/05United States 12/10/04 15 15/6/05Uruguay 18/10/04 1 15/6/05Uzbekistan 22/6/06 12 22/9/06Vanuatu 11/6/04 13 15/6/05

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2. Contracting States which have notified ICAO that no differences exist

State Date of

notification State Date of

notification

Bahrain 16/10/04 Netherlands 30/7/04China (Hong Kong SAR) 17/11/04 Pakistan 3/7/04Denmark 16/9/04 Poland 23/11/04Guatemala 29/7/04 Singapore 22/7/04Lebanon 25/9/04 Tunisia 12/11/04Marshall Islands 14/6/04 United Arab Emirates 12/10/04

3. Contracting States from which no information has been received

AfghanistanAlbania

AndorraAngolaAntigua and BarbudaArmeniaAustriaBahamasBangladeshBarbadosBelizeBeninBhutanBolivia

Bosnia and HerzegovinaBotswanaBrazilBrunei DarussalamBulgariaBurkina FasoBurundiCambodiaCameroonCape VerdeCentral African RepublicChadComorosCongoCook IslandsCosta RicaCte d =IvoireCroatiaCyprusDemocratic People =s Republic of

KoreaDemocratic Republic of the Congo

DjiboutiDominican RepublicEcuadorEgyptEl SalvadorEquatorial GuineaEritreaEthiopiaFijiGabonGambiaGeorgia

GhanaGreeceGrenadaGuineaGuinea-BissauGuyanaHaitiHondurasHungaryIcelandIndonesiaIran (Islamic Republic of)IraqIsraelItaly

Jamaica JordanKazakhstanKenyaKiribati

KuwaitLao People =s Democratic Republic

LesothoLiberiaLibyan Arab JamahiriyaLuxembourgMadagascarMalawiMaldivesMaliMaltaMauritaniaMauritiusMexico

Micronesia (Federated States of)MonacoMongoliaMoroccoMozambiqueMyanmarNamibiaNauruNepalNicaraguaNigerNigeriaNorwayOmanPalauPanamaPapua New GuineaParaguayPeruPhilippines

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SUPPLEMENT TO ANNEX 3 (FIFTEENTH EDITION) (v)

QatarRepublic of KoreaRwandaSaint Kitts and NevisSaint Lucia

Saint Vincent and the GrenadinesSamoaSan MarinoSao Tome and PrincipeSaudi ArabiaSenegalSerbiaSeychelles

Sierra LeoneSolomon IslandsSomaliaSouth AfricaSri Lanka

SudanSurinameSwazilandSyrian Arab Republic

Tajikistan Thailand The former Yugoslav Republic of

Macedonia

Timor-Leste Togo Tonga Trinidad and Tobago Turkey

TurkmenistanUgandaUnited Republic of TanzaniaVenezuelaViet Nam

YemenZambiaZimbabwe

4. Paragraphs with respect to which differences have been notified

Paragraph Differences notified by Paragraph Differencesnotified by

General Germany

Chapter 1,Definitions Argentina

AzerbaijanBelarusFranceVanuatu

2.1.5 Canada

United States2.2.2 AlgeriaAzerbaijanBelarusChileNew ZealandUkraineUruguayUzbekistan

2.2.3 AustraliaAzerbaijanBelarusChileIndiaKyrgyzstanMalaysiaUkraineUzbekistan

2.2.4 AustraliaBelarusChileMalaysia

UkraineUzbekistan

2.2.5 BelarusChileMalaysiaUkraineUzbekistan

2.2.6 AustraliaBelarusChileMalaysiaUkraine

2.3 New Zealand2.3.3 United States

3.3.3 AlgeriaCuba

3.3.4 Cuba3.4 Germany3.4.2 China

CubaEstonia

JapanLatviaNew ZealandRepublic of MoldovaSloveniaUkraineUnited StatesUzbekistanVanuatu

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Paragraph Differences notified by Paragraph

Differencesnotified by

3.4.3 Uzbekistan3.4.4 Uzbekistan3.5 Malaysia

4.1.2 United Kingdom4.1.3 AustraliaCanada

4.1.5 AlgeriaCanadaChileFranceIndiaIrelandNew ZealandUnited Kingdom

4.1.6 AlgeriaAustraliaChileIndiaUnited KingdomUruguayVanuatu

4.2 Chile4.3.1 Vanuatu4.3.2 Argentina

AustraliaCubaLatviaLithuaniaRomaniaSpainSwitzerlandUkraineUnited States

4.3.3 Canada4.4.1 New Zealand4.4.2 Argentina

AustraliaCubaFinlandLatviaLithuania

RomaniaSpainSwedenSwitzerlandUkraineUnited Kingdom

United States4.4.3 Canada

Latvia

4.5.1 AustraliaCanadaLatviaPortugalSwitzerlandUnited States

4.6.1.1 Belarus JapanKyrgyzstanLatviaRomaniaRussian FederationSlovakiaUkraineUzbekistan

4.6.1.2 Uzbekistan4.6.1.3 Ukraine

Uzbekistan4.6.2.1 Canada

LatviaUkraineUnited States

4.6.2.2 Uzbekistan4.6.2.3 Latvia

Uzbekistan4.6.3 New Zealand

Vanuatu4.6.3.3 Belarus

CanadaIndia

JapanRepublic of MoldovaUnited StatesUzbekistan

4.6.3.4 ArgentinaFrance

4.6.4.1 Ukraine4.6.4.3 France

LatviaSwitzerlandUkraine

4.6.4.4 United States4.6.5.1 France

New Zealand

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SUPPLEMENT TO ANNEX 3 (FIFTEENTH EDITION) (vii)



SloveniaSwitzerlandVanuatu

4.6.5.2 Vanuatu4.6.5.3 Ukraine4.6.7 Canada4.7 France

UkraineUnited States

4.8 Malaysia

5.2 AzerbaijanLatvia

5.3 Cuba5.3.1 Australia

BelarusKyrgyzstanMalaysiaRomaniaUkraineUzbekistan

5.3.5 Uzbekistan5.4 Cuba5.5 United States5.8 Russian Federation

SwitzerlandUzbekistan

5.9 Chile

Chapter 6,General Russian Federation

Slovakia6.2 Russian Federation6.2.1 Latvia6.2.3 Azerbaijan

CanadaGermanyRepublic of MoldovaSwitzerlandUkraine

6.2.5 Uzbekistan

6.3 ArgentinaUnited States6.3.3 Australia

Slovakia6.4 Argentina

Belarus

CanadaSloveniaSwitzerland

UkraineUnited StatesUzbekistan

6.4.1 AustraliaFinlandRussian Federation

6.4.3 Australia6.5 Belgium

New Zealand6.6.1 India

UzbekistanVanuatu

6.6.2 CubaKyrgyzstan

6.6.3 LatviaLithuaniaSpainSwitzerland

Chapter 7,General Russian Federation7.1.1 Uzbekistan7.2 Canada

United States7.2.1 Latvia7.3.1 Canada

FinlandSpainSweden

7.4 ArgentinaBelgiumCanadaFranceNew ZealandPortugalVanuatu

7.4.1 Czech RepublicFinland

LatviaLithuaniaSpainSwedenSwitzerland

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Chapter 8,General Republic of Moldova8.1.1 Estonia

LatviaUruguay8.1.2 Estonia8.2 Estonia8.3 Estonia

Chapter 9,General New Zealand

Vanuatu9.1.2 Australia9.1.3 Australia9.2.1 India

SwitzerlandUkraine

9.4.1 AustraliaIndia

9.4.3 Canada9.4.6 Canada

Republic of Moldova9.5 Ukraine9.5.1 Uzbekistan9.5.2 Uzbekistan9.5.3 Uzbekistan

11.1.1 Colombia11.1.2 Colombia11.1.3 Colombia11.1.4 Colombia

India11.1.5 India11.1.6 India11.1.9 Ukraine11.2 Ukraine11.4 Ukraine11.5 Sweden11.6.1 Sweden

Ukraine

11.6.2 AzerbaijanSweden

Appendix 21.3.4 United Kingdom

2.2 AzerbaijanBelarusKyrgyzstan

LatviaUkraineUzbekistan

4.1.2 Australia5.1 Australia

Appendix 32.1.1 Canada

Cuba JapanLatviaMalaysiaSwitzerland

2.1.2 AustraliaSwitzerland

2.2 CanadaNew ZealandPortugalUnited States

2.3.1 AzerbaijanBelarusCanada

JapanKyrgyzstanLatviaSwitzerlandUkraineUnited KingdomUzbekistan

2.3.2 ArgentinaAustraliaBelarusCubaFranceGermany

JapanLatvia

MalaysiaNew ZealandRepublic of MoldovaUnited KingdomUnited StatesUzbekistan

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SUPPLEMENT TO ANNEX 3 (FIFTEENTH EDITION) (ix)



Vanuatu3.2 Canada

Cuba

Romania3.2.1 AustraliaColombia

3.2.2 Australia4.1.1.1 Latvia

New Zealand4.1.2 Ukraine4.1.2.1 Belgium

LithuaniaMalaysiaUnited States

4.1.3.1 AustraliaCanadaFrance

JapanLithuaniaSwitzerlandUnited States

4.1.4.1 LatviaRomania

4.1.4.2 AustraliaCanadaFranceGermany

JapanLatviaNew ZealandPortugalSlovakiaSwitzerlandUnited KingdomUnited States

4.1.4.3 BelarusCubaPortugalRomaniaSwedenSwitzerland

4.2.2 Switzerland4.2.3 FranceSwitzerlandUzbekistan

4.2.4 Canada4.2.4.1 Japan

New ZealandPortugalUkraine

4.2.4.2 CubaPortugalSlovakiaUnited Kingdom

4.2.4.3 Cuba4.2.4.4 Azerbaijan

BelarusFranceGermany

JapanLatviaNew ZealandSlovakia

4.3.1.2 France4.3.2 Colombia4.3.2.2 Australia

ChileMalaysiaUnited Kingdom

4.3.3.1 CanadaLithuaniaUkraine

4.3.4 JapanLithuaniaSwitzerlandUkraineUzbekistan

4.3.5 Czech RepublicFrance

JapanSwitzerland

4.3.6 Australia4.3.6.1 Canada

JapanPortugalUkraineUnited States

4.3.6.2 Belarus

France JapanSwitzerland

4.3.6.3 Belgium JapanPortugal

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4.3.6.4 BelarusPortugalUkraine

4.3.6.5 United StatesUzbekistan4.3.6.6 Ukraine

United KingdomUnited States

4.4.2.1 Cuba4.4.2.2 France4.4.2.3 Chile

FranceLatviaUnited States

4.4.2.4 FranceGermanyLatviaUnited States

4.4.2.5 France JapanLatviaNew ZealandRepublic of MoldovaSwitzerlandUnited States

4.5.1 LatviaUnited Kingdom

4.5.2 Switzerland4.5.3 Belarus4.5.4 United States4.5.4.1 Australia

CubaFrance

JapanNew ZealandUnited Kingdom

4.5.4.2 CubaSwitzerland

4.7.3.1 BelgiumCanada

4.8 France

United States4.8.1.1 Ukraine4.8.1.2 Belarus

CubaLatviaUkraine

4.8.1.3 FranceUnited KingdomUnited States

4.8.1.4 United Kingdom4.9 Romania4.9.1.2 Latvia

United KingdomUnited States

4.9.1.3 ChileFranceLatviaUnited Kingdom

4.9.1.4 ChileFranceLatviaUnited KingdomUnited States

4.9.1.5 ChileFranceLatviaUnited Kingdom

Table A3-1 Republic of Moldova Table A3-2 Canada

JapanLatviaUnited KingdomUnited States

Table A3-4 Russian Federation

Appendix 41.1 Belarus

Romania1.1.1 Australia1.2 Belarus

Romania2.1 Belarus2.7 Australia3.1.1 Belarus

LatviaSwitzerlandUkraine

3.1.2 AzerbaijanBelarusSwitzerlandUkraine

3.1.3 Azerbaijan3.1.4 Azerbaijan

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SUPPLEMENT TO ANNEX 3 (FIFTEENTH EDITION) (xi)



BelarusSwitzerlandUkraine

United States4.2 New Zealand

Appendix 51.1 Malaysia

United States1.2.1 Australia1.2.2 Azerbaijan

BelarusLatviaNew ZealandSlovakiaUnited States

1.2.3 AustraliaCubaUnited States

1.2.4 AustraliaCubaNew ZealandUnited StatesVanuatu

1.2.5 AustraliaSwitzerland

1.3.1 AustraliaBelarusLatviaNew ZealandUnited KingdomUnited StatesVanuatu

1.3.2 Australia1.3.3 Australia

United States1.3.4 Australia1.3.5 Australia1.4 Australia

UkraineUnited States

2.2 France2.2.1 Australia2.2.2 Australia

Latvia2.2.3 Azerbaijan

Australia

BelarusNew ZealandSlovakia

SwitzerlandUnited KingdomVanuatu

2.2.4.1 Cuba2.2.4.2 Australia2.2.4.3 Australia2.2.5 Australia

BelarusCubaNew ZealandUnited KingdomVanuatu

2.2.6 AustraliaBelarusCubaNew ZealandUnited KingdomVanuatu

2.3.1 Australia2.3.2 Australia2.3.3 Australia3 Belarus3.1 Australia4.1.2 Belarus

CanadaUkraine

4.2.2 Canada5 Slovenia5.1 Azerbaijan

KyrgyzstanSwitzerlandUkraineUnited States

Table A5-1 Canada

Appendix 61.1.1 New Zealand

1.1.3 AustraliaColombiaUnited States

1.1.4 Canada JapanUnited States

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Switzerland1.1.6 Australia4.1.1.1 ChileNew Zealand4.2.1.2 Azerbaijan2.1 Azerbaijan

Belgium2.1.1 Australia Ukraine2.1.2 Australia4.3.1.1 United StatesUnited States4.3.1.3 United States2.1.3 United States4.5.1 Slovakia2.1.4 Australia5.1 ColombiaSlovenia

UkraineSwitzerland5.2 UkraineUnited States

2.2 AzerbaijanAppendix 9Ukraine1.1 Azerbaijan2.2.1 Cuba

Czech Republic2.2.2 CubaLithuania3 BelarusUkraine4 BelarusVanuatu4.2.1 United States

1.2 Azerbaijan4.2.2 United StatesCzech Republic5.1.1 CubaLithuaniaFranceUkraine Japan

1.3 AzerbaijanUkraineLatvia5.1.2 EstoniaRepublic of Moldova6.1 AzerbaijanUkraineNew Zealand

3.1 LatviaUkraineNew Zealand6.2 New ZealandUkraine6.2.1 Czech RepublicVanuatuUkraine

Table A6-1 CanadaAppendix 101.1 AzerbaijanAppendix 72.2.1 Ukraine3.2 Azerbaijan3 Belarus5.1.2 BelarusAppendix 85.2.2 Australia1.1 Latvia5.3.1 BelarusUkraine5.3.2 Latvia3.3.1 Latvia

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SUPPLEMENT TO ANNEX 3 (FIFTEENTH EDITION) ALGERIA 1

CHAPTER 2

2.2.2* A quality system has not yet been established.

CHAPTER 3

3.3.3 The aerodrome meteorological offices are designated by a national decision.

Remark: Each aerodrome open to air navigation is equipped with a meteorological station, and/ora Bureau de Protection aronautique [Aviation Protection Bureau], carrying out the role of theaerodrome meteorological office.

CHAPTER 4

4.1.5 There are no automatic measurement systems.4.1.6*

Remark: Automatic observing systems are being installed at eight international aerodromes. Theyare to be operational in 20052006.

___________________

*Recommended Practice

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SUPPLEMENT TO ANNEX 3 (FIFTEENTH EDITION) ARGENTINA 1

CHAPTER 1

Definitions Visibility. To determine visibility, the practice corresponding to b) is not followed.

Remark: System not implemented.

Prevailing visibility. The prevailing visibility concept is not applied.

Remark: In the case of reduced visibility, priority is given to the concept of visibility by sectors,more representative for flight operations.

CHAPTER 4

4.3.2 a) Local routine reports, locally called AEROMET, are supplied in the Table A3-1 format, exceptwith respect to the cloud group, where the following were adopted for its preparation: a detaileddifference in the amount of cloud cover in oktas, and the type of clouds, in accordance with theworld classification system and the cloud base height in feet. Similarly, at controlled aerodromes,

the controller supplies wind and altimetry information orally during take-off and landingoperations.

Remark: For local flights, priority is given to the most detailed information of the cloud group, asspecified in the difference, so as to serve, in turn, local flights of short-haul aircraft, which usevisual flight meteorological conditions.

4.4.2 a) Local special reports are not issued.

Remark: Notable variations in meteorological conditions are reported orally to aircraft in flightthrough aerodrome control tower operators, until such time as the corresponding SPECI from theassociated meteorological office is received.

4.6.3.4 a) RVR is not available at some Category I aerodromes.

Remark: The financial resources required for its implementation are currently not available buthave already been requested.

CHAPTER 6

6.3 Landing forecasts are not prepared on a regular basis. They are issued only upon the request of users.

6.4 Forecasts for take-off are not prepared on a regular basis. They are issued only upon the request of users.

Remark: They are not required on a regular basis by flight operators.

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2 ARGENTINA SUPPLEMENT TO ANNEX 3 (FIFTEENTH EDITION)

CHAPTER 7

7.4 Wind shear warnings are not issued.

Remark: Instruments required for the detection of wind shear are currently not available. They areissued only if there is a notification by flight crews in the take-off and landing phases.

APPENDIX 3

2.3.2* b) Criteria for the preparation of special reports in the SPECI code form are determined inaccordance with meteorological minima established by the aviation authority for each aerodrome.

Remark: Criteria for the preparation of SPECI reports are determined by agreements implementedthrough the coordination of ATS and MET authorities for each aerodrome.

___________________

* Recommended Practice

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SUPPLEMENT TO ANNEX 3 (FIFTEENTH EDITION) AUSTRALIA 1

CHAPTER 2

2.2.3* Australia does not comply with ISO 9000.2.2.4*2.2.6*

CHAPTER 4

4.1.3 Runway visual range is provided in ATIS only and measured by human observers.4.1.6*

4.3.2 a)4.4.2 a)

Local routine and special reports are not issued. Information used in ATIS is provided byauthorized ATC.

4.5.1 i) Cloud type is not available in automated reports.

CHAPTER 5 5.3.1* No MET data are provided from ADS reports.

CHAPTER 6

6.3.3 Australia issues trend forecasts with 3 hours validity.

6.4.1 TAF and TTF are used in Australia. No specific take-off forecast is issued.6.4.3*

CHAPTER 9

9.1.29.1.39.4.1*

Significant en route weather phenomena information is not always available for flights greaterthan approximately 12 hours duration.

APPENDIX 2

4.1.2* An alternate graphical format is used.

5.1* Information is not always sent to all/any recommended recipients.

APPENDIX 3

2.1.2 The template is followed when elements are reported.


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2 AUSTRALIA SUPPLEMENT TO ANNEX 3 (FIFTEENTH EDITION)

2.3.2* a) When the mean surface wind direction changes by 30 or more, the mean wind speed before orafter the change being 20 kt or more.

2.3.2* b) When the mean wind speed changes by 10 kt or more, the mean speed before or after the changebeing 30 kt or more.

2.3.2* e) At aerodromes using the PANS-OPS procedures: when the horizontal visibility is at, below orpasses:1) the highest alternate visibility2) 6 km3) 4 km4) 2 km5) 1 200 m6) 800 m.

At all other aerodromes, when the horizontal visibility: decreases to a value equal to or less than the alternate minimum; decreases to a value equal to or less than the circling minimum;

increases to a value equal to or greater than the circling minimum; increases to a value equal to or greater than the alternate minimum.

2.3.2* f) RVR is not reported in SPECI.

2.3.2* g) SPECI is issued for the following additional weather criteria: onset/cessation of fog (including shallow fog, fog patches and fog at a distance); onset/cessation of severe turbulence, severe icing, wind shear (of moderate or greater

intensity); the passage of a front; at the incidence of any other phenomenon likely to be significant to the operation of an

aircraft.

2.3.2* i) At aerodromes using PANS-OPS procedures: when a cumulative amount of BK N or more cloud isat, below or passes:a) the highest alternate minimum;b) 300, 500, 1 000 ft, in further 500 ft increments up to the highest alternate minimum.

At all other aerodromes, when the height of lowest cloud of amount BKN or more: decreases to a value equal to or less than the alternate minimum; decreases to a value equal to or less than the circling minimum; increases to a value equal to or greater than the circling minimum; increases to a value equal to or greater than the alternate minimum.

2.3.2* j) Highest alternate minimum in lieu of 450 m (1 500 ft) in Annex 3.

3.2.13.2.2

Local routine and special reports are not issued.

4.1.3.1 Significant change is defined as mean surface wind direction change by 30 or more, the meanwind speed before or after the change being 20 kt or more or mean wind speed changes by 10 kt ormore, the mean speed before or after the change being 30 kt or more.


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1.3.4* Australia uses an additional change indicator AINTER@. INTER is used to describe fluctuationswhich are expected to last for periods less than 30 minutes in each instance, and which, in theaggregate, are not expected to cover more than half the time. TEMPO defined in Australia is forperiods between 30 to 60 minutes.

1.3.5* FM followed by a two-figure time group in whole hours UTC.

1.4* The term INTER as defined in 1.3.4 is also used in probability forecasts.

2.2.1 Elements in addition to those for which a significant change is expected may be includedfollowing the change indicator.

2.2.2 a) When the mean surface wind direction changes by 30 or more, the mean wind speed before orafter the change being 20 kt or more.

2.2.2 b) When the mean wind speed changes by 10 kt or more, the mean speed before or after the changebeing 30 kt or more.

2.2.3 The following visibility criteria are used: 800 m, 1 200 m, 2 km, 4 km, 6 km, the highest alternatevisibility.

2.2.4.2 Moderate or severe turbulence are also listed.

2.2.4.3 The expression ANO SIGWX @ is used instead of ANSW@.

2.2.5 When a cumulative amount of BKN or more cloud is at, below or passes: 300 ft, 500 ft, 1 000 ft,in further 500 ft increments up to the highest alternate minimum.

2.2.6 Vertical visibility is not forecast.

2.3.1 The change indicator BECMG is not used. FM is used to indicate a significant change at the time

of the associated time group as in TAF. The term INTER as defined under 1.3.4 is used in trendforecasts.

2.3.2 The abbreviation A TL@ and AAT@ are not used. FM is used to indicate a significant change at thetime of the associated time group as in TAF.

2.3.3 The period of temporary fluctuations with TEMPO and INTER is described by two four-figuretime groups indicating hours and minutes of start and end time, e.g. TEMPO 0135/0300.

3.1* TTF and TAF are used. No specific take-off forecast is issued.

APPENDIX 6

1.1.3 FIRs are subdivided and sequence numbers refer to subdivisions.

1.1.6* SIGMET is not issued in BUFR.


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SUPPLEMENT TO ANNEX 3 (FIFTEENTH EDITION) AUSTRALIA 5

2.1.12.1.2

AIRMET format differs from Table A6-1 and consists of the identifier AIRMET followed bydate/time UTC, the domestic forecast area identifier, validity and details of significant phenomena.

2.1.4 AIRMET is issued for cruising levels below FL120, variance as listed below:

surface wind speed winds of 40 kt or more within 2 000 ft of ground level;surface visibility the initial onset of phenomena producing extensive areas of

visibility of less than 8 km;cloud the initial onset of cloud coverage of BKN or more below 1 500 ft

above ground level.

APPENDIX 10

5.2.2* Aerodrome forecasts on VOLMET have a period of validity of 12, 18 and 24 hours and are issuedevery 6 hours and amended as necessary.

___________________


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SUPPLEMENT TO ANNEX 3 (FIFTEENTH EDITION) AZERBAIJ AN 1

CHAPTER 1

Definitions The term prevailing visibility is not applied.

Remark: Expected to be implemented in 2010.

CHAPTER 2

2.2.2* A quality system is not implemented.

Remark: Expected date of implementation not determined.

2.2.3* A quality system, in conformity with the ISO 9000 series of quality assurance standards, has notbeen established.


CHAPTER 5

5.2 a) Routine aircraft observations during en-route and climb-out phases of the flight are not made.


CHAPTER 6

6.2.3 In TAF, visibility corresponds to the lowest forecast visibility.Note


CHAPT ER 11

11.6.2 SPECI reports are not included in VOLMET broadcasts.


APPENDIX 2

2.2 Notification to WAFCs does not take place.

APPENDIX 3

2.3.1 c) SPECI reports are not issued when there is an increase in air temperature of 2 oC. There are norequirements on the part of operators.



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4.2.4.4* The term prevailing visibility is not applied. The lowest visibility is reported with no indication of direction.


APPENDIX 4

3.1.2 Special air-reports are not disseminated to WAFCs nor to other meteorological offices.3.1.33.1.4


APPENDIX 5

1.2.2* The lowest forecast visibility is given.

Remark: Expected date of implementation 2010.

2.2.3 Note In trend forecasts appended to METAR and SPECI reports, the lowest forecast visibility is given.


5.1 Area forecasts in GAMET format are not issued. Use is made of the plain text format with theaccepted abbreviations.


APPENDIX 6

2.12.2* Information in the AIRMET code form is not issued. Plain text is used; information is sequencedin accordance with the AIRMET code form; AIRMET information is not disseminated beyond theState.

6.1*a), b) Observation of wind shear using ground-based equipment does not take place.


APPENDIX 7

3.2* Aerodrome climatological summaries are prepared in accordance with national regulations.



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APPENDIX 8

4.2.1.2 Wind and air-temperature charts for low-level flights for the 2 000 ft (600 m) altitude arenot provided. There are no requirements on the part of operations.


APPENDIX 9

1.1 b)1.2 b)1.3 b)

Information in the AIRMET code form is not issued. Plain text used; information is sequenced inaccordance with the AIRMET code form.


APPENDIX 10

1.1* Information in the AIRMET code form is not issued.


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CHAPTER 1

Definitions Visibility . The maximum distance at which non-illuminated objects (reference points) can be seenand identified during the day, and illuminated reference points can be seen and identified at night.

The term prevailing visibility is not used.

CHAPTER 2

2.2.2*2.2.3*2.2.4*2.2.5*2.2.6*

The quality system is being developed.

CHAPTER 4

4.6.1.1 The surface wind speed is indicated in metres per second (m/s). At aerodromes where themagnetic variation is 10 and more, the wind direction data, included in local routine (METREPORT) and local special (SPECIAL) reports, are corrected to the value of the magneticvariation.

4.6.3.3 Runway visual range observations are made when the visibility, measured by instruments, is2 000 m or less at dusk and at night and 1 000 m or less during the day.

CHAPTER 5

5.3.1* Not implemented due to the absence of ADS.

CHAPTER 6

6.4 Forecasts for take-off are not prepared.

APPENDIX 2

2.2 WAFCs are not notified.

APPENDIX 3

2.3.1 c) An alternative threshold value as agreed between the meteorological authority, the appropriateATS authority and operators concerned is used.

2.3.2* e) The visibility changes to or passes through 800 or 1 500 m; such reports are not required if therunway visual range is indicated.


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2.3.2* g) SPECI is also issued when a change occurs in the intensity of the following: drifting dust, sand or snow; blowing dust, blowing sand or blowing snow (including a snowstorm); thunderstorm (with or without precipitation); squall; funnel cloud (tornado or waterspout).

2.3.2* i) 30 m only for ICAO Category II aerodromes.2.3.2* k)

4.1.4.3 a) Surface wind data are indicated in the runway operational direction for take-off and landing.

4.1.4.3 d) Variations from the mean wind speed (gusts) are reported as the maximum value of the windspeed attained.

4.2.4.4* a)4.2.4.4* b)

The observation site =s location is not reported; the visibility value is given for the touchdown zone. The term prevailing visibility is not used; minimum visibility is used.

4.3.6.2* Runway visual range observations are made when the visibility, measured by instruments, is2 000 m or less at dusk and at night and 1 000 m or less during the day.

4.3.6.4 The RVR value for the stop-end of the runway is not reported. The observation location is notreported; the visibility value is given for the touchdown zone.

4.5.3* The value of 10 m is used as the criterion.

4.8.1.2* When the cloud base reaches 200 m or less, the measured height of the clouds in metres isincluded in the SPECIAL, METAR and SPECI reports after the pressure group, with an indicationof this using the QBB index group.

APPENDIX 4

1.1 Not implemented due to the absence of ADS.1.22.1

3.1.1 WAFCs are not notified.3.1.23.1.4

APPENDIX 5

1.2.2* Minimum visibility is forecast.

1.3.1* c) For change groups, criteria are also used in the event of a change in intensity: low drifting dust, sand or snow; blowing dust, blowing sand or blowing snow (including a snowstorm);


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thunderstorm (with rain, ice pellets, hail and/or snow pellets, snow or a combination of theseelements);

squall; funnel cloud (tornado or waterspout).

1.3.1* e), 1) 30 m only for aerodromes with Category II operations.1.3.1* h)

2.2.3 Note Minimum visibility is forecast.

2.2.5 30 m only for aerodromes with Category II operations.2.2.6

3 Forecasts for take-off are not prepared.

4.1.2 Route forecasts in the ROFOR code form are not issued. Plain language is used; the sequencingorder of the information is in accordance with the ROFOR code form.

APPENDIX 6

3 Not used due to the absence of an uplink.4

APPENDIX 10

3 Not used due to the absence of aeronautical mobile communications.

5.1.2* SIGMET messages are temporarily not included in VOLMET broadcasts.5.3.1

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CHAPTER 6

6.5 No area and route forecasts, other than forecasts issued within the WAFS framework, are issued.

Remark: No requirement exists in Belgium.

CHAPTER 7

7.4 Wind shear warnings are not issued.

Remark: Wind shear warnings are not issued unless appropriate and accurate sensors are available.After a study of the recently published Manual on Low-level Wind Shear (Doc 9817), Belgium willreconsider the issuance of wind shear warnings. In the meantime, wind shear reports from pilots areincluded in local reports and the ATIS.

APPENDIX 3

4.1.2.1 Surface wind displays are not clearly marked to identify the runway and the section of the runwaymonitored by each sensor.

Remark: One sensor can be used for different runways, e.g. sensor indicator 25L is used at thesame time for RWY 25L TDZ and for RWY 07R END. The location (chart form) and use of allwind sensors are indicated in the MET report operating procedures published in the Belgian AIP.

4.3.6.3 In local routine and special reports, ABV and BLW are used without indication of the maximumvalue 2 000 m or the minimum value 50 m, respectively.

Remark: The values of ABV and BLW are indicated in the MET report operating procedurespublished in the Belgian AIP.

4.7.3.1 QNH is indicated in tenths of a hectopascal in local routine and special reports.

Remark: Local ATC requirement.

APPENDIX 8

4.2.1.2 Upper wind and upper-air temperature charts for low-level flights are not supplied for FL 020.

Remark: NWP model output data specifically issued for the Belgian territory and surroundingshave been used since 2003. The model output is currently being evaluated. If it is considered to besufficiently trustworthy, upper wind air temperature charts for FL 020 will be supplied in 2006.

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CHAPTER 2

2.1.5 Meteorological observations and reports are provided by employees or contractors of airnavigation service providers. These personnel may not fully meet the prerequisite knowledge andtraining qualifications specified by the World Meteorological Organization for meteorologicalpersonnel. The service provider must, however, demonstrate to the State meteorological authoritythat observer personnel are competent to make aviation weather observations accurately toWMO/ICAO specifications and to code the resulting reports accurately and within the timeallotted.

CHAPTER 4

4.1.3 1) SPECI is not issued upon changes in RVR.

2) SPECI is not issued upon changes in temperature although compliance will be implemented by1 July 2005 at designated international aerodromes with human METAR and SPECIprogrammes.

4.1.5 Real time wind, QNH and RVR information is available. Updated information related to thecurrent aerodrome representative values of the other weather elements is available upon request.

4.3.34.4.3

Most aerodromes in Canada are operational at all times. The hours of METAR/SPECI aredetermined individually for each aerodrome in consultation with users.

4.5.1 Canada does not include temperature, dew point or QNH in SPECI except from automated sites.RVR is not included in the METAR or SPECI at many aerodromes including Toronto (Pearson)and Vancouver International. Efforts to enter into compliance for RVR are ongoing; however, animplementation date cannot be determined at this time.

4.6.2.1 Canada reports visibility in units of statute miles (SM) and fractions.

4.6.3.3 Canada reports RVR in units of feet (ft).

4.6.7 Canada reports altimeter settings in units of hundredths of inches of mercury. QFE is not available.

CHAPTER 6

6.2.3 Canada includes a remark at the end of each TAF preceded by ARMK @ and followed by thescheduled issue time of the next regular TAF in plain English. For TAFs based on automatedweather observation systems, the additional remark AFCST BASED ON AUTO OBS @ will beincluded, along with appropriate remarks in abbreviated plain English, as necessary, to indicate if automated sensors are providing non-representative information.

6.4 Take-off forecasts are not provided.

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CHAPTER 7

7.2 AIRMETs are not routinely issued and do not include the location indicator of the air trafficservices unit or the name of the flight information region or control area to which they correspond.Normally, they are only issued to amend or correct information in the graphic area forecast (GFA).

7.3.1 Aerodrome warnings are not issued.

7.4 Wind shear warnings are not issued. A wind shear group is included in the TAF when significantwind shear is observed or forecast.

Remark: The wind shear group in the TAF consists of WS hhh/dddffKT where: WS indicates the start of the wind shear group; hhh is the height of the wind shear layer in hundreds of feet; ddd is the direction of the wind at level hhh; and ffKT is the wind speed in knots (kt) at level hhh.

If the wind speed is 100 kt or greater than a three-figure wind speed group, fff is used.

CHAPTER 9

9.4.3 Updated information is provided whenever practicable to do so. However, in Canada, it is theresponsibility of the pilot-in-command, before commencing a flight, to ensure familiarity with allnecessary weather information that is appropriate for the intended flight.

9.4.6 The information is retained by the meteorological service providers.

APPENDIX 3

2.1.1 RVR is not included and most SPECI do not include temperature, dew point or altimeter settingexcept from automated sites.

2.2 The use of the term CAVOK is not permited in METAR/SPECI.

2.3.1 d) Information contained in SPECI are representative of the aerodrome and climb-out areas.

3.2 Local routine and special reports are not issued.

4.1.3.1 b) Wind averaging period for METAR/SPECI is 2 minutes.

4.1.4.2 d) Winds of less than 2 kt mean speed are reported as calm.

4.2.4 Visibility reports are provided in units of statute miles (SM) and fractions.

4.3.3.1 RVR is automatically inserted within METAR/SPECI without need for human intervention atsome sites. RVR displays are in the air traffic services unit and do not typically exist in themeteorological station.

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4.3.6.1 RVR is reported in units of feet (ft).

4.7.3.1 Altimeter setting is reported in units of hundredths of inches of mercury and is preceded by an AA@ designator.

Table A3-2 The identification of correction to METAR/SPECI is indicated by the use of the code CCX, ratherthan COR, where the X is A for the first correction, B for the second correction and so on. Effortsto enter into compliance with this provision are ongoing. However, the implementation datecannot be determined at this time.

METAR/SPECI reports from automated stations do not include the cloud type group and theabbreviations NCD and NDV are not used. The abbreviation CLR BLO 100 is used to denote thatno cloud has been detected with a base of 10 000 ft or less.

Fully automated reports that do not provide all of the elements of a METAR or that do not includeSPECI are identified by the use of the term ALWIS@ or Limited Weather Information Systems. Thesubset of reportable elements that are reported will otherwise be included in the same order andwith the same content, coding and formatting as for METAR.

APPENDIX 5

4.1.2 Route forecasts (ROFOR) are not provided.

4.2.2 Area forecasts are amended by AIRMET.

Table A5-1 Corrected or cancelled TAFs are issued as amendments.

APPENDIX 6

1.1.4 Domestic SIGMET phenomena are described in abbreviated plain English. Gander OceanicSIGMET information is included in plain English.

Table A6-1 Domestic SIGMET messages do not include the location indicator of the air traffic services unit orthe name of the flight information region or the control area. A mitigation plan to enter intocompliance with this provision is under development. However, the implementation date forcompliance cannot be determined at this time.

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CHAPTER 2

2.2.2*2.2.3*2.2.4*2.2.5*2.2.6*

There is no organized quality control system, similar to the one recommended.

Remark: The implementation of an organized quality control system, similar to the onerecommended, is being reviewed and is expected to be implemented by December 2008.

CHAPTER 4

4.1.5 Instruments are not used to measure visibility.

Remark : At the Arturo Merino Benitz (Category III B) Airport, automatic equipment formeasuring visibility is not available. An investment project for updating the system is planned andcompliance is expected by December 2007.

4.1.6* Instruments are not used to measure visibility.

Remark: At Category I airports, there is no automatic equipment for measuring visibility. Theimplementation of automatic instruments for measuring visibility is at the purchasing stage andcompliance is expected by December 2005.

4.2* b)4.2* c)

In this country, this type of display related to information concerning the use, calibration andmaintenance of integrated automatic systems is not used. The coordination procedures do notestablish all the points specified in Amendment 73.

Remark: National procedures related to the preparation of reports and to the use of basic data arebeing developed and updated, as are the coordination procedures between the meteorologicalservices and the air traffic services. Compliance is expected by December 2005.

CHAPTER 5

5.9 Special air-report of volcanic activity forms are not provided to aircraft.

Remark: It is expected that special air-reports of volcanic activity are immediately sent by aircraftto ATS units, which make them available to meteorological watch offices shortly thereafter. Theinformation is supplied by the pilot to the ACC, which immediately supplies it to themeteorological watch office. When greater background information is required, the request is sentto the airline.

APPENDIX 3

4.3.2.2* At most Category I airports, RVR observations are carried out by human observers.

Remark: Equipment for measuring RVR on all the runways of Category I airports is not available.Automated measurements of RVR are only planned at Category III airports and at aerodromeswith major problems involving reduced visibility.


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4.4.2.3* All the phenomena recommended up to Amendment 72 are reported.

Remark: The national meteorological authority considers it important to continue to report allpresent weather phenomena, recommended up to Amendment 72, because of the significant rate of their occurrence in this country.

4.9.1.3* In automated METAR and SPECI , present weather and type of precipitation are not reported.

Remark: The stations capable of generating automated reports do not have present weather sensors,nor do they have precipitation type sensors. Stations with these type of sensors have begun to beadded. Compliance is expected by December 2006.

4.9.1.4* In automated METAR and SPECI , clouds are not reported and the ANCD@ abbreviation is notincluded.

Remark: The stations capable of generating automated reports do not report clouds, nor do theyinclude the use of the ANCD@ abbreviation. Stations with these type of sensors have begun to beadded. Compliance is expected by December 2008.

4.9.1.5* In automated METAR and SPECI, supplementary information is not reported and the AREUP@ abbreviation is not included.

Remark: The stations capable of generating automated reports are not capable of reportingsupplementary information, nor do they include the use of the AREUP@ abbreviation. This type of information will begin to be included in the next software upgrade expected to be implemented byDecember 2009.

APPENDIX 8

4.1.1.1* Charts included in flight documentation are clear and legible. They are submitted in legal and

letter size formats.

Remark: The format used does not present problems for users.

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CHAPTER 3

3.4.2 g) No information about the accidental release of radioactive materials into the atmosphere can besupplied.

Remark: The meteorological authority will discuss with the related organization to get theinformation.

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CHAPT ER 11

11.1.1 Not complied with.11.1.211.1.311.1.4

APPENDIX 3

3.2.1 Not complied with.


APPENDIX 6


APPENDIX 8

5.1 Not complied with.

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SUPPLEMENT TO ANNEX 3 (FIFTEENTH EDITION) CUBA 1

CHAPTER 3

3.3.3 The aerodrome meteorological offices at which flight documentation is required are determined bythe aeronautical authority to operate at the country =s main airports and they are combined with theprovision of the aeronautical information service and air traffic services reporting.

3.3.4 Landing forecasts are prepared at the request of the operators.

3.4.2 The meteorological watch office is also the office responsible for preparing the area and routeforecasts, as well as the aerodrome and landing forecasts and the forecasts for take-off for thedomestic and international airports, except for Jos Mart International Airport.

CHAPTER 4

4.3.2 a) All routine observations are issued in METAR form.

4.4.2 a) All special observations are issued in SPECI form.

CHAPTER 5

5.3 Not applied.5.4

Remark: There are no routine aircraft observations available on domestic air routes within theflight information region of Cuba.

CHAPTER 6

6.6.2 Area forecasts are issued in plain language.

APPENDIX 3

2.1.1 Reports in abbreviated plain language are not issued.

2.3.2* g) If the observer determines a change in visibility, special reports are issued when there is the onsetor cessation of light precipitation (including showers).

3.2 Meteorological reports for local use are not issued.4.1.4.34.2.4.2 Remark: All the reports are prepared in METAR or SPECI code form.4.2.4.3*4.4.2.1

4.5.4.1* f) The abbreviation ANSC@ is used in METAR or SPECI if the layer or mass of cloud above 1 500 m(5 000 ft) covers 4/8 or less.


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4.5.4.2 Meteorological reports for local use are not issued.4.8.1.2*

Remark: All the reports are prepared in METAR or SPECI code form.

APPENDIX 5

1.2.3* When the meteorologist considers it appropriate, light rain (including showers) is forecast, if it isanticipated that it will change the forecast visibility.

1.2.4* The abbreviation ANSC@ is used preferably when forecasting a change in clouds above 1 500 m(5 000 ft) of BKN or OVC extent up to clouds of SCT or FEW extent. The layers of cloud of BKNor OVC extent are forecast at any level. Vertical visibility is not forecast.

2.2.4.1 When the meteorologist considers it appropriate, light rain (including showers) is forecast, if it isanticipated that it will change the forecast visibility.

2.2.5

2.2.6

The abbreviation ANSC@ is used preferably when forecasting a change in clouds above 1 500

(5 000 ft) of BKN or OVC extent up to clouds of SCT or FEW extent. The layers of cloud of BKNor OVC extent are forecast at any level. Vertical visibility is not forecast.

APPENDIX 6

2.2.1*2.2.2*

AIRMET messages are only issued for dissemination with the flight information region of Cuba.

5.1.1 Aerodrome warnings are issued in the form of text that does not require explanation.

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CHAPTER 7

7.4.1 Wind shear warnings are not issued.

APPENDIX 3

4.3.5* Runway visual range for local routine and special reports is determined on the basis of maximumintensity (100 per cent) of the runway lighting.

APPENDIX 6

6.2.1 Wind shear warnings are not issued.

APPENDIX 9

1.1 b) Wind shear warnings are not issued.1.2 b)

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CHAPTER 3

3.4.2 g) Information concerning the accidental release of radioactive materials into the atmosphere is notsupplied to ACC/FIC.

Remark: At present, such information is not available at the meteorological watch office.Procedures are under development and are expected to be implemented by 31 December 2005.

CHAPTER 8

8.1.18.1.2*8.2*8.3*

Climatological information for some regular aerodromes does not meet the requirements.

Remark: Climatological information became obsolete. Aerodromes that are not open on a 24-hourbasis do not have complete information for processing. Procedures for collecting, processing andstoring are under development and are expected to be implemented by 31 December 2005.

APPENDIX 65.1.2* Snow accumulation is not included in aerodrome warnings.

Remark: No technical resources are available for observing and forecasting snow accumulation.

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CHAPTER 4

4.4.2 b) SPECI is not issued in Finland.

Remark: METAR is issued every half-hour according to regional air navigation agreement.

CHAPTER 6

6.4.1 Forecasts for take-off are not provided specifically. No specific operational requirement has beenexpressed by the operators. TAF and TREND forecasts provide the information needed.

CHAPTER 7

7.3.1 Aerodrome warnings will normally not be issued for meteorological conditions that couldadversely affect aircraft on the ground, including parked aircraft.

Remark: Due to limitations of observing methods and/or short-term forecasting, this kind of specific warning is not issued in Finland .

7.4.1 Wind shear warnings are not normally issued. Information on observed wind shear at aerodromesis included in METAR and local reports.

Remark: Due to limitations of observing methods and/or short-term forecasting, this kind of warning is not issued in Finland.

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CHAPTER 1

Definitions Visibility. The visibility reported to users corresponds to the meteorological optical range.

CHAPTER 4

4.1.5 Automatic systems for measuring visibility have not yet been installed at certain aerodromes withrunways intended for Category III instrument approach and landing operations.

Remark: These aerodromes will be equipped by 2006.

4.6.3.4 a) Instruments that enable the assessment of the runway visual range, representative of thetouchdown zone, have not been installed at some aerodromes with runways intended forCategory I instrument approach and landing operations.

4.6.3.4 c) Instruments that enable assessment of the runway visual range, representative of the touchdownzone, the mid-point and stop-end of the runway, have not yet been installed at some aerodromes

with runways intended for Category III instrument approach and landing operations.Remark: These aerodromes will be equipped by 2006.

4.6.4.3* Phenomena in the vicinity of the aerodrome are not included in reports from fully automaticobserving systems.

4.6.5.1 Vertical visibility is not measured.

Remark: The current sensors are not suited to this type of measurement.

4.7* Reports from fully automatic observing systems are issued during the operational hours of theaerodrome.

CHAPTER 7

7 .4 Wind shear warnings are not issued unless appropriate sensors are available.

APPENDIX 3

2.3.2* f) RVR is not included in SPECI.

2.3.2* g) SPECI is issued when the onset or cessation of the following phenomena occurs:2.3.2* h) freezing precipitation;

moderate or heavy snowfall, ice pellets, hail, small hail and/or snow pellets, mixed rain andsnow;

blowing dust, sand or snow; duststorm; sandstorm; snowstorm.


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2.3.2* k) Vertical visibility is not included in SPECI.

4.1.3.1 b) The averages of the surface wind observations do not take into account a possible discontinuity.

4.1.4.2 b) Local routine and special reports only provide variations in the wind direction when the totalvariation is 60 with a mean wind speed above 3 kt.

4.1.4.2 f) The averages of the surface wind observations do not take into account a possible discontinuity.

4.2.3* b) The averages of the visibility observations do not take into account a possible discontinuity.

4.2.4.4* In reports from fully automatic observing systems, visibility is derived from one single point of measurement and directional variations in visibility are not measured.

4.3.1.2* At certain aerodromes, RVR observations are carried out at a lateral distance of more than 120 mfrom the runway centre line.

4.3.5* The light intensity used to calculate RVR is the maximum intensity available on the runway in

question.4.3.6.2* At most sites, 75 m is the minimum RVR value that can be measured in France. At most sites,

1 500 m is the maximum RVR value that can currently be measured in France.

Remark: 50 m could be considered the lower limit in the course of 2006, and 2 000 m could beconsidered the upper limit in the course of 2006.

4.4.2.2 The proximity of present weather phenomena is not included in reports from fully automaticobserving systems.

4.4.2.3* The following weather phenomena are not reported in reports from fully automatic observingsystems: SG, PL, IC, GR, GS, DS, SS, PO, FC, SA, DU, HZ, FU, VA, SQ.

Remark: The meteorological optical range (MOR) is the coding criterion used for the FG and BRabbreviations.

4.4.2.4* MI, BC, PR, DR, BL are not included in reports from fully automatic observing systems.

4.4.2.5* VC is not included in reports from fully automatic observing systems.

4.5.4.1* c) At certain sites, in local reports, the height of cloud base is reported in steps of 30 ft below 300 ft.

4.5.4.1* d) Vertical visibility is not measured.

4.5.4.1* e) The ANSC@ abbreviation signifies the absence of significant clouds detected by the ceilometer(s) inreports from fully automatic observing systems.

4.8* No supplementary information is reported in reports from fully automatic observing systems.

4.8.1.3* Wind shear warnings are not issued unless appropriate sensors are available.


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4.9.1.3* The AUP@ abbreviation will be considered during the course of 2005. The ACAVOK @ abbreviationis not used in reports from fully automatic observing systems. The following weather phenomenaare not reported in the METAR AUTO reports from unmanned meteorological stations: SG, PL,IC, GR, GS, DS, SS, PO, FC, SA, DU, HZ, FU, VA, SQ.

Remark: The meteorological optical range (MOR) is the coding criterion used for the FG and BRabbreviations.

4.9.1.4* Vertical visibility is not measured.

4.9.1.5* No supplementary information is reported in reports from fully automatic observing systems.

APPENDIX 5

2.2 Trend forecasts are not appended to reports from automatic observing systems.

APPENDIX 6 5.1.1 Aerodrome warnings are not issued in accordance with the specified template.

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SUPPLEMENT TO ANNEX 3 (FIFTEENTH EDITION) GERMANY 1

General Germany is making efforts to comply with Annex 3, Amendment 73. Due to the requirement tomake software changes and corrections in observation procedures, compliance with certainprovisions will not take place before 4 July 2005.

CHAPTER 3

3.4 In Germany, selected advisory centres for aviation (ACA) fulfil the function of MWO.

CHAPTER 6

6.2.3 Note Until 4 July 2005, TAF includes the visibility corresponding to the definition of Avisibility @ asdefined in Chapter 1, instead of forecast prevailing visibility.

APPENDIX 3

2.3.2* f) In Germany, values of 75 or 125, 200, 300 and 550 m instead of 150, 350 and 600 m are appliedfor runway visual range.

4.1.4.2 By 4 July 2005, the criteria for wind variations and VRB according to Amendment 73 will beupdated.

4.2.4.4* In METAR, visibility is as defined in Chapter 1. Prevailing visibility will be introduced by4 July 2005.

4.4.2.4* Reporting of thunderstorms in METAR when lightning or sheet lightning is detected/observed willbe introduced by 4 July 2005.

Remark: Sheet lightning: In cases when a lightning flash illuminates clouds but is not visible.

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CHAPTER 2

2.2.3* No ISO certification has been obtained for quality assurance.

CHAPTER 4

4.1.5 Integrated automated system for dissemination in real time is not available.4.1.6*

4.6.3.3 RVR up to 2 000 m is reported for national use.

CHAPTER 6

6.6.1 Area forecasts for low-level flights are not issued.

CHAPTER 99.2.1 Information on humidity is not provided.9.4.1*

CHAPT ER 11

11.1.4 Direct speech at some aeronautical stations is not available.11.1.5*

11.1.6* Only important airports have supplementary facilities.

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CHAPTER 4

4.1.5 Ireland does not use automated equipment to measure visibility or integrated automatic systemsfor real-time display of meteorological parameters.

Remark: Expected to be implemented in December 2006.

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CHAPTER 3

3.4.2 g) Information on the accidental release of radioactive materials into the atmosphere is not suppliedto ACC/FIC and aeronautical information service units.

CHAPTER 4

4.6.1.1 In local routine and special reports, the mean direction of surface wind is reported in the magneticazimuth.

4.6.3.3 Runway visual range is reported throughout periods when either the visibility or the runway visualrange is 1 600 m or less.

APPENDIX 3

2.1.1 Local routine and special reports are issued in a format similar to that of METAR and SPECI.

2.3.1 c) Special observations and reports due to an increase in air temperature of 2 C are made only whenthe air temperature given at that time is 32 or more.

2.3.2* e) SPECI is issued when the visibility is improving and changes to or passes through one or more of the following values, or when the visibility is deteriorating and passes through one or more of thefollowing values: 1 500, 3 200 or 5 000 m.

2.3.2* f) SPECI is issued when the runway visual range is improving and changes to or passes through oneor more of the following values, or when the runway visual range is deteriorating and passesthrough one or more of the following values: 400 or 800 m.

2.3.2* h) SPECI concerning the onset or cessation of ice crystals is not issued.

2.3.2* i) SPECI is issued when the height of base of the lowest cloud layer of BKN or OVC extent is liftingand changes to or passes through one or more of the following values, or when the height of baseof the lowest cloud layer of BKN or OVC extent is lowering and passes through one or more of the following values: 30, 180 or 450 m.

2.3.2* k) SPECI is issued when the sky is obscured and the vertical visibility is improving and changes to orpasses through one or more of the following values, or when the vertical visibility is deterioratingand passes through one or more of the following values: 30, 180 or 450 m.

4.1.3.1 In local routine and special reports, an averaging period for surface wind observation is 10 minutes.

4.1.4.2 b) 1) In local routine and special reports and in METAR and SPECI, variations of wind direction aregiven if the total variation is 60 o or more with mean wind speeds above 6 km/h (3 kt).

4.1.4.2 b) 2)4.1.4.2 b) 3)

In local routine and special reports and in METAR and SPECI, wind direction is indicated asVRB when a variation of wind direction is 60 o or more with mean wind speeds below 6 km/h(3 kt).


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4.1.4.2 e) In local routine and special reports, when a wind speed of 200 km/h (100 kt) or more is reported, itis indicated as it is.

4.2.4.1 In local routine and special reports and in METAR and SPECI, visibility is expressed in steps of 100 m even when the visibility is less than 800 m. It is indicated as it is, regardless of whether itsvalue is 10 km or more. In local routine and special reports, the abbreviation CAVOK is notused.

4.2.4.4* When the visibility is not the same in different directions, the visibility explained by 1) or 2) or 3)below and its general direction in relation to the aerodrome indicated by reference to one of theeight points of the compass are reported in addition to the prevailing visibility.

1) The visibility, whose value is twice the prevailing visibility or more, is observed when theprevailing visibility is 5 000 m or less.

2) The visibility, whose value is 50 per cent of the prevailing visibility or less, is observed whenthe prevailing visibility is 5 000 m or less.

3) The visibility, whose value is 5 000 m or less than 50 per cent of the prevailing visibility, is

observed when the prevailing visibility is more than 5 000 m.4.3.4 In local routine and special reports, the averaging period for runway visual range values is

10 minutes.

4.3.5* In METAR and SPECI, the runway visual range is based on the light intensity actually in use onthat runway.

4.3.6.1 The reporting scale consists of increments of 50 m for runway visual range below 800 m andincrements of 100 m for above 800 m.

4.3.6.2* The upper limit for runway visual range is 1 800 m.

4.3.6.3 In local routine and special reports and in METAR and SPECI:

a) when runway visual range is above the maximum value, it is indicated as P1800;

b) when runway visual range is below the minimum value, it is indicated as M0050.

4.4.2.5* When a thunderstorm is observed, it is reported as TS regardless of its location. When a funnelcloud is observed, it is reported as VCFC regardless of its location.

4.5.4.1* c) The height of the base of cloud is reported in steps of 30 m (100 ft) up to 1 500 m (5 000 ft), insteps of 300 m (1 000 ft) between 1 500 m (5 000 ft) and 9 000 m (30 000 ft) and in steps of 1 500 m (5 000 ft) above 9 000 m (30 000 ft).

4.5.4.1* f) In local routine and special reports, the abbreviations CAVOK and NSC are not used. If thereare no clouds of operational significance, no cumulonimbus and no restriction on vertical visibilityand if SKC is not appropriate, types of clouds are reported.

Table A3-2 In METAR and SPECI, the code words COR and NIL are not used to indicate a correctionand missing report, respectively.


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Remark : The consultation on the introduction of the use of the code words COR and NIL isongoing.

APPENDIX 6

1.1.4 SIGMET information concerning obscured thunderstorms (OBSC TS), thunderstorms with hail(OBSC/EMBD/FRQ/SQL TS), icing due to freezing rain (SEV ICE (FZRA)), mountain waves(SEV MTW), duststorms (HVY DS) and sandstorms (HVY SS) is not issued.

5.1.1 Aerodrome warnings are issued in plain language.

Remark : The consultation on the introduction of the use of the template for aerodrome warnings isongoing.

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15/6/05

CHAPTER 2

2.2.3* The ISO-9000 quality system has not been established.

CHAPTER 4

4.6.1.1 Wind speed is reported in metres per second (MPS).

CHAPTER 5

5.3.1* Not implemented due to the lack of ADS.

CHAPTER 6

6.6.2 Area forecasts up to FL 150 are issued in the ROFOR code format.

APPENDIX 2

2.2 No notifications are sent to the WAFCs.

APPENDIX 3

2.3.1 c) Local special reports are not issued for an increase in air temperature of 2 C.

APPENDIX 5

5.1 u) The forecast lowest QNH is expressed in mm HG.

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CHAPTER 3

3.4.2 g) Information concerning the accidental release of radioactive materials into the atmosphere is notsupplied to ACC/FIC and AIS units.

Remark . The coordination arrangements between the appropriate authorities are being established.Expected to be implemented in 2007.

CHAPTER 4

4.3.2 Note 4.4.2 Note

When meteorological information is extracted from the local routine and special reports forinclusion in ATIS broadcasts manually, the following differences occur:

the visibility value is reported in steps of 100 m when the visibility is 500 m or more but lessthan 800 m, and three cloud layers only are included;

moderate intensity indicator of the reported present weather phenomena is not used; and

recent weather information is not extracted from the local routine and special reports forinclusion in ATIS.

Remark: Due to obsolete software of ATIS system, the requirements will be fully complied within October 2006.

4.4.2 b)4.4.3

SPECI reports are not issued.

Remark: In accordance with EUR ANP.

4.5.1 i) At Liepaja and Ventspils aerodromes, cloud type is not available in automated reports.

4.6.1.1 At Riga aerodrome in local routine and special reports, the surface wind mean direction is reportedin magnetic degrees.

Remark: Local routine and special reports are used only for ATC purposes and ATIS broadcasts.

4.6.2.1 Definition of prevailing visibility is not applicable for Liepaja and Ventspils aerodromes; for Rigaaerodrome it is applicable when automated equipment for the measurement of visibility is used.

Remark: Priority is given to the concept of visibility representative of areas of concern to thesafety of flight operations.

4.6.2.3* At Riga aerodrome the reported visibility in METAR is representative of the touchdown zone of the runway in use when automated equipment for the measurement of visibility is not used. AtLiepaja and Ventspils aerodromes the reported visibility representative of the point of observationis obtained from a stand-alone weather observing system.

4.6.4.3* Phenomena in the vicinity of the aerodrome are not included in automated reports.


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CHAPTER 5

5.2 a) Routine aircraft observations during en-route and climb-out phases of the flight are not made.

Remark: ATS/MET reporting points within Riga FIR are not established.

CHAPTER 6

6.2.1 Aerodrome forecasts for Ventspils aerodrome are not issued.

Remark: No requirements from operators. Compliance is expected by 2008.

6.6.3 Area forecasts for low-level flights are only issued during the daytime period.

Remark: Due to the low density of traffic operation below flight level 100 during night hours.Compliance is expected by 2007.

CHAPTER 7

7.2.1 AIRMET information is only issued during the daytime period.

Remark: Due to the low density of traffic operating below flight level 100 during night hours.Compliance is expected by 2007.

7.4.1 Wind shear warnings are issued for Riga aerodrome only.

CHAPTER 8

8.1.1 Aerodrome climatological summaries and tables are available only for Riga aerodrome.

Remark: Compliance is expected by 2008.

APPENDIX 2

2.2 Notification concerning significant discrepancies detected or reported in respect of WAFSproducts is not sent to the WAFC concerned.

Remark: The reporting procedure is not clearly determined by the WAFC concerned.

APPENDIX 3

2.1.1 Local routine and special reports at Liepaja and Ventspils aerodromes are not issued inabbreviated plain language in accordance with the template shown in Table A3-1.

Remark: Due to technical characteristics of observing systems.


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2.3.1 c) Local special reports due to an increase in air temperature of 2 oC or more are not issued at Liepajaand Ventspils aerodromes.

Remark: Due to technical characteristics of observing systems.

2.3.1 d) The occurrence of moderate/severe turbulence, moderate/severe icing and winds shear in theapproach and climb-out areas are criteria for the issuance of local special reports.

2.3.1 e) At Liepaja and Ventspils aerodromes (during non-operational hours of the aerodromes) automatedlocal special reports when IC, DR (DU, SA, SN), BL (DU, SA, SN), TS, SQ, VA and FC occursare not issued.

Remark: Absence of technical capabilities for the automatic observing system. Detailedinformation for pilots attention is given in Latvia AIP.

2.3.2* f), i), k) RVR, cloud base and vertical visibility thresholds for the issuance of local special reports aredetermined specifically for Riga aerodrome.

Remark: To reduce the number of updates to the ATIS, thresholds have been agreed duringconsultation with ATS authority.

2.3.2* d) The thresholds for the wind changes through values of operational significance are not established.

Remark: The threshold for the runway tailwind and crosswind components changes are establishedin accordance with ICAO Procedures for Air Navigation Services Air Traffic Management (PANS-ATM, Doc 4444) requirements only for aerodrome control tower (TWR) purposes.

4.1.1.1* Surface wind is observed at a height of 6 m above the runway at Liepaja and Ventspils aerodromes.

Remark: Due to technical characteristics of the observing system. Compliance is expected by2013.

4.1.4.1 At Riga aerodrome in local routine and special reports the surface wind direction is reported inmagnetic degrees.

Remark: Local routine and special reports are used only for ATC purposes and ATIS broadcastssupporting flight operations.

4.1.4.2 b) 2), e) In automated reports for Liepaja and Ventspils aerodromes (during non-operational hours of theaerodromes), wind direction is reported as variable when the wind speed is 3 kt and less.

When for meteorological broadcasts at Liepaja and Ventspils aerodromes local routine and specialreports are used, wind speed of 99 kt or more is always reported as observed value.

Remark: Software modification is expected to be implemented by 2007.

4.2.4.4* In METAR, for Riga aerodrome the visibility value representative of the touchdown zone of arunway in use is reported when automated equipment for the measurement of visibility is not used.

Remark: In this case priority is given to the concept of visibility more representative of areas of concern to the safety of flight operations.


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In reports for Liepaja and Ventspils aerodromes, the visibility value is derived from point of measurement without directional variations measurements.

4.4.2.3* The following weather phenomena are not reported in the automated reports (during non-operational hours of the aerodromes): SG, PL, IC, GR, GS, SA, DU, FU, VA, PO, SQ, FC, DSand SS.

Remark: At present, such information is not available from the automatic unmanned observingsystem. The meteorological optical range (MOR) is the coding criterion used for the FG and BRabbreviations.

4.4.2.4* The following characteristics of present weather phenomena are not reported in the automatedreports (during non-operational hours of the aerodromes): TS, SH, FZ, BL and DR.

4.4.2.5* The proximity indicator VC in the automated reports (during non-operations hours of theaerodromes) is not included.

Remark: At present, such information is not available from the automatic unmanned observingsystem. The meteorological optical range (MOR) is the coding criterion used for the FG and BRabbreviations.

4.5.1* Cloud observations are made near one of the touchdown zones of the runway at Liepaja andVentspils aerodromes.

Remark : Observations are made by a stand-alone observation system. Compliance is expected by2013.

4.8.1.2* At Riga aerodrome in local routine and special reports, moderate/severe turbulence,moderate/severe icing and wind shear are reported as supplementary information.

No supplementary information is reported in the automated reports (during non-operational hoursof the aerodromes).

4.9.1.2* The abbreviation NDV in automated reports (during non-operational hours of aerodromes) is notused.


4.9.1.3* The following types of present weather phenomena IC, DR (DU, SA, SN), BL (DU, SA, SN) TS,SQ, VA and FC are not reported in automated reports (during non-operational hours of theaerodromes) and the abbreviation UP is not used.


4.9.1.4* The reporting of missing cloud types using /// and the abbreviation NCD in automated reports(during non-operational hours of the aerodromes) is not used.



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4.9.1.5* The abbreviation REUP in automated reports (during non-operational hours of the aerodromes)is not used.


Table A3-2 The abbreviation FZUP in automated reports (during non-operational hours of the aerodromes)is not used.

APPENDIX 4

3.1.1 The MWO does not receive routine air-reports by voice communications and disseminate them toWAFCs and other meteorological offices.

Remark: Routine aircraft observations are not made.

APPENDIX 5

1.2.2* In TAF for Liepaja aerodrome, the lowest forecast visibility is always given.

1.3.1 a)* The surface wind criteria for the inclusion of change groups in TAF or for the amendment of TAFare not used.

Remark : The threshold values of surface wind are not established by the MET and ATS authoritiesand operators. Compliance is expected by 2007.

2.2.2 c) The criteria for indicating surface wind changes in landing forecasts are not used.

Remark: The threshold values of surface wind are not established by the MET and ATS authoritiesand operators. Compliance is expected by 2007.

APPENDIX 8

1.1 b), f) Data in digital form not supplied. Automated pre-flight information systems for self-briefingpurposes have not been established.

Remark: Will be implemented in 2008.

3.3.1 g) Satellite images are available at Riga aerodrome briefing only.

3.3.1 h) Ground-based weather radar information is not available.

Remark: Will be implemented in 2007.

APPENDIX 9

1.3 e)3.1. b) 3)

Information concerning the accidental release of radioactive materials into the atmosphere is notsupplied to FIC/ACC and AIS.


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Remark: The coordination arrangements between the appropriate authorities are underconsideration. Compliance is expected by 2007.

APPENDIX 10

5.3.2* VOLMET broadcast has differences from standard radiotelephony phraseologies.

Remark: Due to obsolete software of VOLMET system. New VOLMET system will beimplemented in October 2006.

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CHAPTER 4

4.3.2 a) Local routine and special reports are not issued at Kaunas aerodrome.4.4.2 a)

Remark: Outdated meteorological equipment. Will be able to comply with the Standard by 2006.

CHAPTER 6

6.6.3 Area forecasts for low-level flights are prepared every 3 hours in the daytime.

Remark: Low flight intensity. By 2005, area forecasts for low-level flights will be prepared every3 hours in the daytime and every 6 hours at night.

CHAPTER 7

7.4.1 Wind shear warnings for Kaunas, Palanga and Siauliai aerodromes are prepared on the basis of aircraft observations during the climb-out or approach phases of flight. This information isincluded in METAR/SPECI.

Remark: There are no forecasts at these aerodromes.

APPENDIX 3

4.1.2.1 Surface wind displays are not available at the air traffic service unit at Kaunas aerodrome.


4.1.3.1 b) In the METAR/SPECI reports, the averaging period for wind observations at Kaunas aerodrome is2 minutes.

Remark: Outdated meteorological equipment. Will be able to comply with the Standard by 2006.4.3.3.1 There are no RVR displays at the Kaunas aerodrome control centre.


4.3.4 b) In the METAR/SPECI reports, the averaging period for runway visual range observations atKaunas aerodrome is 1 minute.


APPENDIX 9

1.1 Local routine and special reports are not issued at Kaunas aerodrome.1.2


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CHAPTER 2

2.2.3* Does not comply with ISO 9000, except for KLIA Meteorology Office.2.2.4*2.2.5*2.2.6*

CHAPTER 3

3.5 The MWOs for Kuala Lumpur FIR and Kota Kinabalu FIR are not operational.

CHAPTER 4

4.8* Volcanic activity observation not implemented.

CHAPTER 55.3.1* ADS not implemented.

APPENDIX 3

2.1.1 METAR COR and SPECI COR are not issued.

Remark: Changing will involve change of system.

2.3.2* e)2.3.2* f)

SPECI reports are issued in respect to visibility changing to or passing 5 000 m and 800 m. SPECIreports on RVR are not issued.

4.1.2.1 In some airports, wind reports in meteorological stations and ATS are not from the same sensors.

4.3.2.2* Automated equipment for assessing RVR available only at KLIA.

APPENDIX 5

1.1 TAF COR is not issued.

Remark: Changing will involve change of system.

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SUPPLEMENT TO ANNEX 3 (FIFTEENTH EDITION) NEWZEALAND 1

CHAPTER 2

2.2.2* Remark: Meteorological suppliers are required to establish quality assurance procedures compliantwith the requirements of New Zealand Civil Aviation Rule, Part 174.

2.3 Operators requiring meteorological service shall notify a certified meteorological service provider.

CHAPTER 3

3.4.2 b) SIGMET information is issued for the New Zealand FIR and for the Auckland Oceanic FIR northof latitude S60.

3.4.2 g) Information on the accidental release of radioactive materials into the atmosphere is not readilyavailable.

CHAPTER 4 4.1.5 Observation systems are not installed to measure runway visual range.

4.4.1 Reports of routine observations are identified as SPECI reports when the observed conditions meetthe criteria used for special observations.

4.6.3 Runway visual range is not reported for precision approach runways. Runway visual rangeobservations are only made for specific take-off operations at approved aerodromes, using ahuman observer system.

4.6.5.1 The height of the base of clouds reported will not be restricted to 1 500 m (5 000 ft).

CHAPTER 6

6.5 Route forecasts are issued in a self-evident plain language form.

CHAPTER 7

7.4 Information about wind shear observed on the approach or take-off paths is included, whenappropriate, in METAR and SPECI reports. Information on the expected existence of wind shearis not provided.

CHAPTER 9

General The type, the format and the means and the point of supply of meteorological information tooperators and flight crew members are as agreed between the meteorological service provider andthe operator or flight crew member.


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APPENDIX 3

2.2 The term CAVOK is not used.

2.3.2* e) The following criteria are used for horizontal visibility: 800, 1 500, 3 000, 5 000 and 8 000 m.

2.3.2* f) Runway visual range is not reported for precision approach runways. Runway visual rangeobservations are made only for specific take-off operations at approved aerodromes, using ahuman observer system.

2.3.2* i) The following criteria are used for the height of the base of the lowest cloud layer or mass of BKNor OVC extent C 200 (at selected aerodromes), 500, 1 000 and 1 500 ft.

2.3.2* k) Vertical visibility is not available.

4.1.1.1* Due to operational restrictions at Wellington International Airport, the surface wind is measured at6 m (20 ft).

4.1.4.2 b) At all wind speeds and with any amount of variation in direction, wind direction will only bereported as variable AVRB@ when it is impossible to determine a single wind direction.

4.1.4.2 e) When wind speeds are 100 kt or greater, the exact wind speed is reported.

4.2.4.1 The term CAVOK is not used. When the horizontal visibility is expected to be 10 km or more, itwill be coded in whole kilometres followed immediately by the letters km, e.g. 15 km.

4.2.4.4* When the visibility is not the same in different directions, the lowest visibility is reported; whenthe visibility in one or more directions is more than 50 per cent above the lowest visibility, thelowest visibility is reported with its general direction in relation to the site of the meteorologicalstation. When the lowest visibility is less than 1 500 m and the visibility in another direction ismore than 5 000 m, the higher visibility is also reported with its general direction.

4.4.2.5* Intensity will be reported with ASH@ to indicate the intensity of precipitation in showers. Intensitywill be reported with A TS@ to indicate the intensity of precipitation associated with thunderstorms.

VC (vicinity) may be used with RA, DZ or SN when the observer has evidence that the observedprecipitation is of the type described.

4.5.4.1* d) Vertical visibility is not available.

APPENDIX 4

4.2 Forms for special air-reports of volcanic activity are not available. However, a volcanic activityreport form for use by pilots is available from the civil aviation authority website.


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APPENDIX 5

1.2.2* The term CAVOK is not used. When the horizontal visibility is expected to be 10 km or more, itwill be coded in wh

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