Chapter 2. Aerodrome Data

Apr 19, 2023Apr 19, 2023 ICAO Annex 14 Training CourseICAO Annex 14 Training Course 11

Chapter 2. Aerodrome Data



2.1 Aeronautical data2.1 Aeronautical data

Accuracy requirements for aeronautical data are Accuracy requirements for aeronautical data are based upon a 95 per cent confidence level.based upon a 95 per cent confidence level.

In that respect, three types of positional data In that respect, three types of positional data shall be identified: shall be identified:

i)i) surveyed pointssurveyed points (e.g. runway threshold), (e.g. runway threshold),

ii)ii) calculated pointscalculated points (mathematical (mathematical calculations fromcalculations from the known surveyed points of the known surveyed points of points in space, fixes)points in space, fixes) and and

iii)iii) declared pointsdeclared points (e.g. flight information (e.g. flight information regionregion boundary points).boundary points).


Chapter 2. Aerodrome Data2.1 Aeronautical data (continued)2.1 Aeronautical data (continued)

Aeronautical data integrity requirements shall be based Aeronautical data integrity requirements shall be based upon the potential risk resulting from the corruption of data upon the potential risk resulting from the corruption of data and upon the use to which the data item is put. and upon the use to which the data item is put.

The following classification and data integrity level shall The following classification and data integrity level shall apply:apply:

a)a) critical data, integrity level 1 × 10critical data, integrity level 1 × 10-8-8

there is a high probability when using corrupted critical there is a high probability when using corrupted critical data that the continued safe flight and landing of an aircraft data that the continued safe flight and landing of an aircraft would be severely at risk with the potential for catastrophe;would be severely at risk with the potential for catastrophe;

Examples: Examples:

Elevation of runway threshold (precision approach runway): Elevation of runway threshold (precision approach runway): Accuracy – 0.5 m, Integrity level 1 × 10-8Accuracy – 0.5 m, Integrity level 1 × 10-8

Runway length/width: Runway length/width: Accuracy – 1 m, Integrity level 1 × 10-8Accuracy – 1 m, Integrity level 1 × 10-8



2.1 Aeronautical data (continued)2.1 Aeronautical data (continued)

b) essential data, integrity level 1 × 10 b) essential data, integrity level 1 × 10 ¯̄55::

there is a low probability when using corrupted there is a low probability when using corrupted essential data that the continued safe flight and essential data that the continued safe flight and landing of an aircraft would be severely at risk landing of an aircraft would be severely at risk with the potential for catastrophe; andwith the potential for catastrophe; and

Examples:Examples:

Aerodrome Elevation:Aerodrome Elevation: Accuracy – 0.5 m, Integrity Accuracy – 0.5 m, Integrity level 1 × level 1 × 10 10 ¯̄5.5.



2.1 Aeronautical data (continued)2.1 Aeronautical data (continued)

c) routine data, integrity level 1 × 10 c) routine data, integrity level 1 × 10 ¯3¯3::

there is a very low probability when using there is a very low probability when using corrupted routine data that the continued safe corrupted routine data that the continued safe flight and landing of an aircraft would be severely flight and landing of an aircraft would be severely at risk with the potential for catastrophe.at risk with the potential for catastrophe.

Examples:Examples:

Latitude and logitude of Aerodrome Reference Latitude and logitude of Aerodrome Reference Point:Point: Accuracy – 0.5 m, Integrity level 1 × 10 Accuracy – 0.5 m, Integrity level 1 × 10 ¯3¯3..



2.2 Aerodrome reference point2.2 Aerodrome reference point

The designated geographical location of anThe designated geographical location of an aerodrome. aerodrome. An aerodrome reference point shall be:An aerodrome reference point shall be:

established for an aerodrome;established for an aerodrome; located near the initial or planned geometric located near the initial or planned geometric

centre of the aerodrome;centre of the aerodrome; normally remained where first established;normally remained where first established; measured and reported to the aeronautical measured and reported to the aeronautical

information services authority in degrees, information services authority in degrees, minutes and seconds.minutes and seconds.


Chapter 2. Aerodrome Data2.3 2.3 Aerodrome and runway elevationsAerodrome and runway elevations

Aerodrome elevation:Aerodrome elevation: The elevation of the highest The elevation of the highest point of the landing area. point of the landing area.

The following information shall be reported to the The following information shall be reported to the Aeronautical Information Services (AIS):Aeronautical Information Services (AIS): The aerodrome elevation and geoid undulation at the The aerodrome elevation and geoid undulation at the

aerodrome elevation position, measured to the accuracy of aerodrome elevation position, measured to the accuracy of one-half metreone-half metre or or footfoot;;

The elevation and geoid undulation of each threshold, the The elevation and geoid undulation of each threshold, the elevation of the runway end and any significant high and low elevation of the runway end and any significant high and low intermediate points along the runway, measured to the intermediate points along the runway, measured to the accuracy of accuracy of one-half metreone-half metre or or foot foot for the for the international international aerodromes with non-precision approach runwayaerodromes with non-precision approach runway;;

The elevation and geoid undulation of the The elevation and geoid undulation of the threshold, the threshold, the elevation of the runway end and the highest elevation of the elevation of the runway end and the highest elevation of the touchdown zonetouchdown zone, measured to the accuracy of , measured to the accuracy of one-quarter one-quarter metremetre or or footfoot for for precision approach runwayprecision approach runway



2.42.4 Aerodrome reference temperatureAerodrome reference temperature

An aerodrome reference temperature An aerodrome reference temperature shall be shall be determined for an aerodrome in degrees Celsius.determined for an aerodrome in degrees Celsius.

Recommendation.— Recommendation.— The aerodrome reference temperature should be The aerodrome reference temperature should be

the monthly mean of the daily maximum the monthly mean of the daily maximum temperatures for the hottest month of the temperatures for the hottest month of the yearyear.. The hottest month being that which has the highest The hottest month being that which has the highest

monthly mean temperature. monthly mean temperature.

This temperature should be averaged over a This temperature should be averaged over a period of years.period of years.


Chapter 2. Aerodrome Data2.52.5 Aerodrome dimensions and related Aerodrome dimensions and related

informationinformation The following data shall be measured for each facilityThe following data shall be measured for each facility

provided on an aerodrome:provided on an aerodrome:

a) Runway:a) Runway:

- true bearing to one-hundredth of a degree;- true bearing to one-hundredth of a degree;

- designation number;- designation number;

- length, width and displaced threshold to the - length, width and displaced threshold to the nearest metrenearest metre or or footfoot;;

- slope;- slope;

- surface type;- surface type;

- type of runway (non-instrument, non-precision - type of runway (non-instrument, non-precision etc.);etc.);

- the existence of an obstacle free zone when - the existence of an obstacle free zone when provided (for a provided (for a precision approach runway category precision approach runway category I)I)



2.52.5 Aerodrome dimensions and related Aerodrome dimensions and related information (continued)information (continued)

b) Strip, RESA and Stopwayb) Strip, RESA and Stopway

- length, width to the nearest metre or foot.- length, width to the nearest metre or foot.

c) taxiwayc) taxiway — designation, width, surface type; — designation, width, surface type;

d) aprond) apron — surface type, aircraft stands; — surface type, aircraft stands;

e) the boundaries of the air traffic control e) the boundaries of the air traffic control service; service; ??????

f) clearwayf) clearway

- length to the nearest metre or foot;- length to the nearest metre or foot;

- ground profile. - ground profile.




g)g) visual aids:visual aids:

- TVASIS, ATVASIS, PAPI or APAPI;- TVASIS, ATVASIS, PAPI or APAPI;

- marking and lighting of runways, taxiways and - marking and lighting of runways, taxiways and aprons;aprons;

- other visual guidance and control aids on taxiways - other visual guidance and control aids on taxiways and and aprons, including runway-holding positions and aprons, including runway-holding positions and stopbars, and stopbars, and

- location and type of visual docking guidance - location and type of visual docking guidance systems;systems;

h)h) location and radio frequency of any location and radio frequency of any VOR VOR aerodrome check-point;aerodrome check-point;




i)i) location and designation of standard location and designation of standard taxi-taxi- routes; androutes; and

j)j) distances to the nearest metre or foot distances to the nearest metre or foot of:of:

- localizer and glide path elements - localizer and glide path elements comprising an comprising an instrument landing instrument landing system (ILS) orsystem (ILS) or

- azimuth and elevation antenna of - azimuth and elevation antenna of microwave microwave landing system (MLS) in landing system (MLS) in relation to the relation to the associated runway associated runway extremities.extremities.



2.5 Aerodrome dimensions and related information 2.5 Aerodrome dimensions and related information (continued)(continued)

The geographical coordinates of the following elements of The geographical coordinates of the following elements of the aerodrome shall be measured and reported to the AIS the aerodrome shall be measured and reported to the AIS Authority:Authority:

a) a) each threshold; taxiway centre line points and each each threshold; taxiway centre line points and each aircraft aircraft stand stand in degrees, minutes, seconds and in degrees, minutes, seconds and hundredths of hundredths of seconds;seconds;

c) c) obstacles:obstacles:

- in Area 2 (the part within the aerodrome boundary) - in Area 2 (the part within the aerodrome boundary) and and Area 3 in degrees, minutes, seconds and tenths of Area 3 in degrees, minutes, seconds and tenths of seconds;seconds;

The top elevation, type, marking and lighting (if any) of The top elevation, type, marking and lighting (if any) of obstacles shall be reported to the aeronautical information obstacles shall be reported to the aeronautical information services authority.services authority.



Obstacles in Areas 1 and 2Obstacles in Areas 1 and 2



2.6 Strength of pavements2.6 Strength of pavements The bearing strength of a pavement shall be The bearing strength of a pavement shall be

determined:determined: If pavements used by aircraft > 5700 kg max. all up If pavements used by aircraft > 5700 kg max. all up

mass (MAUM), strength shall be in mass (MAUM), strength shall be in ACN - PCN systemACN - PCN system;;

Example:Example: PCN 80 R/B/W/TPCN 80 R/B/W/T If pavements used by aircraft <= 5700 kg (MAUM), If pavements used by aircraft <= 5700 kg (MAUM),

strength shall be by reporting:strength shall be by reporting:

- - max. allowable aircraft massmax. allowable aircraft mass and and

- - max. allowable tyre pressure.max. allowable tyre pressure.

Example:Example: 4000kg/0.50 MPa4000kg/0.50 MPa


Chapter 2. Aerodrome Data2.6 Strength of pavements2.6 Strength of pavements

ACNACN – Aircraft Classification Number – Aircraft Classification Number

PCNPCN – Pavement Classification Number – Pavement Classification Number

The PCN reported shall indicate that an aircraft The PCN reported shall indicate that an aircraft with an ACN equal to or less than the reported with an ACN equal to or less than the reported PCN can operate on the pavement subject to any PCN can operate on the pavement subject to any limitation on the limitation on the tire pressuretire pressure, or , or aircraft all-up aircraft all-up massmass for specified aircraft type(s). for specified aircraft type(s).

The ACN of an aircraft shall be determined in The ACN of an aircraft shall be determined in accordance with the standard procedures accordance with the standard procedures associated with the ACN-PCN method.associated with the ACN-PCN method.


Chapter 2. Aerodrome Data2.6 Strength of pavements 2.6 Strength of pavements

ACN of certain aircraftsACN of certain aircrafts

ACN

Aircraft Type /Main wheel

configuration

MTOW OWE

TP

Flexible Pavement Subgrade

CBR%

Rigid Pavement Subgrade k in MN/m3

A 15

B 10

C 6

D 3

A k150

B k80

C k40

D k20

A330-300 DT

212000 121870

580

55 29

60 30

69 33

94 41

47 28

54 27

64 31

75 36

A340-300 DT

271000 129300

1380

59 24

64 25

74 28

100 34

50 25

58 24

69 26

80 30

B747-400 DT

386800 176860

1400

56 21

62 22

77 25

99 32

51 19

61 22

73 25

83 29

B757-200 DT

100200 56900 1116

27 13.5

30 14

36 16

49 22

25 12

30 14

36 16

41 19

B767-200 DT

141520 80890 1172

37 18.7

40 19

48 22

66 28

32 16

38 18

45 21

53 25



ACN/PCN method for pavement strength reporting:ACN/PCN method for pavement strength reporting:

Pavement type (F or R)Pavement type (F or R)

Pavement Classification Number (PCN)Pavement Classification Number (PCN)

Pavement sub-grade strength category (A, B, C Pavement sub-grade strength category (A, B, C or D)or D) Maximum allowable tyre pressure category/value (W, X, Maximum allowable tyre pressure category/value (W, X, Y or Z)Y or Z) Evaluation method (T or U)Evaluation method (T or U)

PCN 76/F/B/W/T PCN 50/F/C/Y/U PCN 76/F/B/W/T PCN 50/F/C/Y/U PCN58/R/B/1.20MPa/T PCN58/R/B/1.20MPa/T




a)a) Pavement Classification Number (PCN)Pavement Classification Number (PCN)

The PCN is an index rating (1/500The PCN is an index rating (1/500thth) of the mass which an ) of the mass which an evaluation shows can be borne by the pavement when evaluation shows can be borne by the pavement when applied by a standard (1.25 MPa tyre pressure) single – applied by a standard (1.25 MPa tyre pressure) single – wheel. The PCN rating established for a pavement wheel. The PCN rating established for a pavement indicates that the pavement is capable of supporting indicates that the pavement is capable of supporting aircraft having an ACN of equal or lower magnitude. aircraft having an ACN of equal or lower magnitude.

b)b) Pavement type for ACN – PCN determinationPavement type for ACN – PCN determination

CodeCode

Rigid pavementRigid pavement (R)(R)

Flexible pavementFlexible pavement (F)(F)




c)c) Subgrade strength categorySubgrade strength category CodeCode

(k – modulus of sub-grade reaction; CBR – California bearing ratio)(k – modulus of sub-grade reaction; CBR – California bearing ratio)

- - High strength:High strength: (A)(A)

((RigidRigid)) ( (FlexibleFlexible))

K > 120 MN/mK > 120 MN/m³³ CBR > 13 CBR > 13

(K = 150 MN/m(K = 150 MN/m³³ ) ) (CBR = 15)(CBR = 15)

- - Medium strength:Medium strength: (B)(B)

K = 60 to 120 MN/mK = 60 to 120 MN/m³³ CBR = 8 to 13 CBR = 8 to 13

(K = 80 MN/m(K = 80 MN/m³³ ) ) (CBR = 10)(CBR = 10)

- - Low strength:Low strength: (C)(C)

K = 25 to 60 MN/mK = 25 to 60 MN/m³³ CBR = 4 to 8 CBR = 4 to 8

(K = 40 MN/m(K = 40 MN/m³³ ) ) (CBR = 6)(CBR = 6)

- - Ultra low strength:Ultra low strength: (D)(D)

K < K < 25 MN/m25 MN/m³³ CBR < 4 CBR < 4

(K = 20 MN/m(K = 20 MN/m³³ ) ) (CBR = 3)(CBR = 3)



ACN/PCN method for pavement strength ACN/PCN method for pavement strength reporting:reporting:

d)d) Maximum allowable tyre pressure Maximum allowable tyre pressure categorycategory

CodeCode

High:High: no pressure limitno pressure limit WW

Medium:Medium: pressure limited to 1.50 Mpapressure limited to 1.50 Mpa XX

Low:Low: pressure limited to 1.00 Mpapressure limited to 1.00 Mpa YY

Very low:Very low: pressure limited to 0.50 MPapressure limited to 0.50 MPa ZZ


Chapter 2. Aerodrome Data 2.6 Strength of pavements 2.6 Strength of pavements


d)d) Maximum allowable tyre pressure categoryMaximum allowable tyre pressure category

CodeCodeHigh:High: no pressure limitno pressure limit WWMedium:Medium: pressure limited to 1.50 Mpapressure limited to 1.50 Mpa XXLow:Low: pressure limited to 1.00 Mpapressure limited to 1.00 Mpa YYVery low:Very low: pressure limited to 0.50 MPapressure limited to 0.50 MPa ZZ

e)e) Evaluation methodEvaluation method

CodeCode

Technical evaluationTechnical evaluation: : TT

representing a specific study of the pavement characteristics and application representing a specific study of the pavement characteristics and application of pavement behaviour technology.of pavement behaviour technology.

Using aircraft experienceUsing aircraft experience:: UU

representing a knowledge of the specific type and mass of aircraft representing a knowledge of the specific type and mass of aircraft satisfactorily being supported under regular use.satisfactorily being supported under regular use.


Chapter 2. Aerodrome Data 2.6 Strength of pavements2.6 Strength of pavements

Overload operationsOverload operations

General criteria for overload operations:General criteria for overload operations:

a)a) for flexible pavementsfor flexible pavements, occasional movements by , occasional movements by aircraft with aircraft with ACN not exceeding 10 per cent above the ACN not exceeding 10 per cent above the reported PCNreported PCN should not adversely affect the should not adversely affect the pavement;pavement;

b)b) for rigid or composite pavementsfor rigid or composite pavements, in which a rigid , in which a rigid pavement pavement layer provides a primary element of the layer provides a primary element of the structure, occasional structure, occasional movements by aircraft with movements by aircraft with ACN not ACN not exceeding 5 per cent exceeding 5 per cent above above the reported PCNthe reported PCN should not adversely affect the should not adversely affect the pavement;pavement;

c)c) if the pavement structure is unknownif the pavement structure is unknown, the , the 5 per 5 per cent cent limitation limitation should apply; andshould apply; and

d)d) the annual number of overload movementsthe annual number of overload movements should should not not exceed exceed approximately 5 per centapproximately 5 per cent of the total annual of the total annual aircraft aircraft movements.movements.



2.72.7 Pre-flight altimeter check locationPre-flight altimeter check location

One or more pre-flight altimeter check locations One or more pre-flight altimeter check locations shall be established for an aerodrome.shall be established for an aerodrome.

Recommendation.— Recommendation.— A pre-flight check location A pre-flight check location should be located on an apron.should be located on an apron.

[Note: O[Note: Other locations may be holding bays, ther locations may be holding bays, holding points or thresholds.]holding points or thresholds.]

The elevation of a pre-flight altimeter check The elevation of a pre-flight altimeter check location shall be given as the average elevation, location shall be given as the average elevation, rounded to the nearestrounded to the nearest metre metre or or foot,foot, of the area of the area on which it is located.on which it is located.



2.8 Declared distances2.8 Declared distances

The following distances shall be calculated to the The following distances shall be calculated to the nearest metre or foot for a runway intended for nearest metre or foot for a runway intended for use by international commercial air transport:use by international commercial air transport:

take off run available take off run available TORATORA

take-off distance availabletake-off distance availableTODATODA accelerate-stop distance availableaccelerate-stop distance availableASDAASDA landing distance availablelanding distance available LDALDA


Chapter 2. Aerodrome Data 2.8 Declared distances2.8 Declared distances

Declared distancesDeclared distances


Chapter 2. Aerodrome Data 2.8 Declared distances 2.8 Declared distances

Calculation of declared distances.Calculation of declared distances. The declared distances The declared distances must be calculated in accordance with the followingmust be calculated in accordance with the following ::

(i)(i) Take-off run available (TORA)Take-off run available (TORA) is defined as the is defined as the length of runway available for the ground run of an aeroplane length of runway available for the ground run of an aeroplane taking off. This is normally the full length of the runway; taking off. This is normally the full length of the runway; neither the SWY nor CWY are involved.neither the SWY nor CWY are involved.

TORA = Length of RWTORA = Length of RW


Chapter 2. Aerodrome Data2.8 Declared distances2.8 Declared distances

Calculation of declared distances.Calculation of declared distances.

(ii)(ii) Take-off distance available (TODA)Take-off distance available (TODA) TODATODA is defined as the distance available to an aeroplane for is defined as the distance available to an aeroplane for

completion of its ground run, lift-off and initial climb to 35 ft. completion of its ground run, lift-off and initial climb to 35 ft.




(ii)(ii) Take-off distance available (TODA)Take-off distance available (TODA)


This will normally be the full length of the runway plus the length This will normally be the full length of the runway plus the length of any CWY. of any CWY.

TODA =TORA + CWYTODA =TORA + CWY




(ii)(ii) Take-off distance available (TODA)Take-off distance available (TODA)

Where there is no designated CWY, the part of the runway strip Where there is no designated CWY, the part of the runway strip between the end of the runway and the runway strip end is included between the end of the runway and the runway strip end is included as part of the TODA. as part of the TODA.

TODA =TORA + RWY Strip lengthTODA =TORA + RWY Strip length

Each TODA must be accompanied by an obstacle clear take-off Each TODA must be accompanied by an obstacle clear take-off gradient expressed as a percentage.gradient expressed as a percentage.



Calculation of declared distances (continued)Calculation of declared distances (continued)

(iii)(iii) Accelerate-stop distance available (ASDA)Accelerate-stop distance available (ASDA) is is defined defined as the length of the take-off run available as the length of the take-off run available plus the length of plus the length of any SWY. any SWY. Any CWY is not involved.Any CWY is not involved.

ASDA = TORA + SWYASDA = TORA + SWY




Calculation of declared distances (continued)Calculation of declared distances (continued)

(iv)(iv) Landing distance available (LDA)Landing distance available (LDA) is defined as the is defined as the length length of runway available for the ground run of a landing of runway available for the ground run of a landing aeroplane.aeroplane.

The LDA commences at the runway threshold. The LDA commences at the runway threshold.

Neither SWY nor CWY are involved.Neither SWY nor CWY are involved.

LDA = Length of RW (if threshold is not displaced.)LDA = Length of RW (if threshold is not displaced.)



Illustration of declared distancesIllustration of declared distances



2.9 Condition of the movement area and 2.9 Condition of the movement area and related facilitiesrelated facilities

Information on Information on the condition of the movement the condition of the movement area and the operational status of related facilitiesarea and the operational status of related facilities shall be provided to the appropriate shall be provided to the appropriate aeronautical aeronautical information service unitsinformation service units, and similar information , and similar information of operational significance to the of operational significance to the air traffic air traffic services unitsservices units, to enable those units to provide the , to enable those units to provide the necessary information to arriving and departing necessary information to arriving and departing aircraft. aircraft.

The information shall be kept up to date and The information shall be kept up to date and changes in conditions reported without delay.changes in conditions reported without delay.



2.9 Condition of the movement area and related 2.9 Condition of the movement area and related facilities facilities (continued)(continued)

The condition of the movement area and the operational The condition of the movement area and the operational status of related facilitiesstatus of related facilities shall be monitored and reports on shall be monitored and reports on matters of operational significance or affecting aircraft matters of operational significance or affecting aircraft performance given, particularly in respect of the following:performance given, particularly in respect of the following:

a)a) construction or maintenance work;construction or maintenance work;

b)b) rough or broken surfaces on a runway, a taxiway or an rough or broken surfaces on a runway, a taxiway or an apron;apron;

c)c) water on a runway, a taxiway or an apron;water on a runway, a taxiway or an apron;

d)d) other temporary hazards, including parked aircraft;other temporary hazards, including parked aircraft;

e)e) failure or irregular operation of part or all of the failure or irregular operation of part or all of the aerodrome aerodrome visual aids; andvisual aids; and

f)f) failure of the normal or secondary power supply.failure of the normal or secondary power supply.



2.9 Condition of the movement area and related 2.9 Condition of the movement area and related facilities (continued)facilities (continued)

Recommendation.— Recommendation.— To facilitate compliance with To facilitate compliance with aforementioned two standards inspections of the aforementioned two standards inspections of the movement area should be carried out each day:movement area should be carried out each day:

- - at least onceat least once where the where the code number is 1 or 2code number is 1 or 2 and and

- - at least twiceat least twice where the where the code number is 3 or 4code number is 3 or 4..

[Note.— Guidance on carrying out daily inspections [Note.— Guidance on carrying out daily inspections of the movement area is given in the of the movement area is given in the Airport Airport Services Manual, Services Manual, Part 8 and in the Part 8 and in the Manual of Manual of Surface Movement Guidance and Control Systems Surface Movement Guidance and Control Systems (SMGCS).](SMGCS).]



2.9 Condition of the movement area and related facilities 2.9 Condition of the movement area and related facilities (continued)(continued)

Water on a runwayWater on a runway

Recommendation.— Recommendation.— Whenever water is present on a Whenever water is present on a runway, a description of the runway, a description of the runway surface conditions on runway surface conditions on the centre half of the width of the runway, including the the centre half of the width of the runway, including the possible assessment of water depthpossible assessment of water depth, where applicable, , where applicable, should be made available using the following terms:should be made available using the following terms: DAMP DAMP — the surface shows a change of colour due — the surface shows a change of colour due

to moisture.to moisture. WETWET — the surface is soaked but there is no — the surface is soaked but there is no

standing water. standing water. WATER PATCHESWATER PATCHES — significant patches of standing — significant patches of standing

water are visible.water are visible. FLOODEDFLOODED — extensive standing water is visible. — extensive standing water is visible.


Chapter 2. Aerodrome Data2.9 Condition of the movement area and related 2.9 Condition of the movement area and related

facilities facilities (continued)(continued)

Information that a runway or portion thereof may be Information that a runway or portion thereof may be slippery when wet shall be made available.slippery when wet shall be made available.

A runway or portion thereof shall be determined as being A runway or portion thereof shall be determined as being slippery when wet when the measurements of the friction slippery when wet when the measurements of the friction characteristics of the runway or portion thereof as characteristics of the runway or portion thereof as measured by a continuous friction measuring device using measured by a continuous friction measuring device using self-wetting features show below the minimum friction level self-wetting features show below the minimum friction level specified by the State.specified by the State.

Information on the minimum friction level specified by the Information on the minimum friction level specified by the State for reporting slippery runway conditions and the type State for reporting slippery runway conditions and the type of friction measuring device used shall be made available.of friction measuring device used shall be made available.



2.102.10 Disabled aircraft removal Disabled aircraft removal

Recommendation.— Recommendation.— The The telephone/telex number (s) telephone/telex number (s) of the office of the aerodrome coordinatorof the office of the aerodrome coordinator of of operations for the removal of an aircraft disabled on or operations for the removal of an aircraft disabled on or adjacent to the movement area should be made available, adjacent to the movement area should be made available, on request, to aircraft operators.on request, to aircraft operators.

Recommendation.— Recommendation.— Information concerning the Information concerning the capability to remove an aircraft disabled on or adjacent to capability to remove an aircraft disabled on or adjacent to the movement area should be made available.the movement area should be made available.

[Note.— The capability to remove a disabled aircraft may [Note.— The capability to remove a disabled aircraft may be expressed in terms of the largest type of aircraft which be expressed in terms of the largest type of aircraft which the aerodrome is equipped to remove.]the aerodrome is equipped to remove.]



2.11 Rescue and fire fighting2.11 Rescue and fire fighting

Information concerning the level of protection Information concerning the level of protection provided at an aerodrome for aircraft rescue and provided at an aerodrome for aircraft rescue and fire fighting purposes shall be made available.fire fighting purposes shall be made available.

Recommendation.— Recommendation.— The level of protection The level of protection normally available at an aerodrome should be normally available at an aerodrome should be expressed in terms of the category of the rescue expressed in terms of the category of the rescue and fire fighting services and in accordance with and fire fighting services and in accordance with the types and amounts of extinguishing agents the types and amounts of extinguishing agents normally available at the aerodrome.normally available at the aerodrome.


Chapter 2. Aerodrome Data2.11 Rescue and fire fighting (continued)2.11 Rescue and fire fighting (continued)

Significant changes in the level of protection normally Significant changes in the level of protection normally available at an aerodrome for rescue and fire fighting shall available at an aerodrome for rescue and fire fighting shall be notified to the appropriate be notified to the appropriate air traffic services unitsair traffic services units and and aeronautical information unitsaeronautical information units to enable those units to to enable those units to provide the necessary information to arriving andprovide the necessary information to arriving and departing departing aircraft. When such a change has been corrected, the above aircraft. When such a change has been corrected, the above units shall be advised accordingly.units shall be advised accordingly.

[Note.— A significant change in the level of protection is considered [Note.— A significant change in the level of protection is considered to be a change in the category of the rescue and fire fighting to be a change in the category of the rescue and fire fighting service from the category normally available at the aerodrome, service from the category normally available at the aerodrome, resulting from a change in availability of extinguishing agents, resulting from a change in availability of extinguishing agents, equipment to deliver the agents or personnel to operate the equipment to deliver the agents or personnel to operate the equipment, etc.]equipment, etc.]

Recommendation.— Recommendation.— A significant change should be A significant change should be expressed expressed in terms of the new category of the rescue in terms of the new category of the rescue and fire fighting serviceand fire fighting service available at the aerodrome. available at the aerodrome.



2.12 Visual approach slope indicator systems2.12 Visual approach slope indicator systems

The following information concerning a The following information concerning a visual visual approach slope indicator systemapproach slope indicator system installation installation shall be made available:shall be made available:

a) associated a) associated runway designation number;runway designation number;

b) type of systemb) type of system

- - T-VASIS or AT-VASIST-VASIS or AT-VASIS

- - PAPI or APAPIPAPI or APAPI

and the side of the runway on which the lights and the side of the runway on which the lights areare

installed, (i.e. left or right) shall be given;installed, (i.e. left or right) shall be given;


Chapter 2. Aerodrome Data2.12 Visual approach slope indicator systems (continued)2.12 Visual approach slope indicator systems (continued)

The following information concerning a The following information concerning a visual approach slope visual approach slope indicator systemindicator system installation shall be made available: installation shall be made available:

c)c) where the axis of the system is not parallel to the runway where the axis of the system is not parallel to the runway centre line, the angle of displacement and the direction of centre line, the angle of displacement and the direction of displacement, i.e. left or right shall be indicated;displacement, i.e. left or right shall be indicated;

d)d) nominal approach slope anglenominal approach slope angle (s): (s):

- for a T-VASIS or an AT-VASIS [this shall be angle θ - for a T-VASIS or an AT-VASIS [this shall be angle θ (approx. (approx. 3 3˚) ˚) according to the formula in Figure 5-17] andaccording to the formula in Figure 5-17] and

- - for a PAPIfor a PAPI and an APAPI [this shall be angle (B + C) ÷ 2 and an APAPI [this shall be angle (B + C) ÷ 2

(approx. 3(approx. 3˚)˚) and (A + B) ÷ 2 (approx. 3 and (A + B) ÷ 2 (approx. 3˚)˚), respectively as in, respectively as in

Figure 5-19]; andFigure 5-19]; and



2.12 Visual approach slope indicator systems 2.12 Visual approach slope indicator systems (continued)(continued)

The following information concerning a The following information concerning a visual approach visual approach slope indicator systemslope indicator system installation shall be made available: installation shall be made available:

e)e) minimum eye height (s) over the threshold of the minimum eye height (s) over the threshold of the on-on- slope signal(s):slope signal(s): - for a T-VASIS or an AT-VASIS this shall be the lowest - for a T-VASIS or an AT-VASIS this shall be the lowest height atheight at

which only the wing bar(s) are visible; which only the wing bar(s) are visible; - - for a PAPI this shall be the setting angle of the for a PAPI this shall be the setting angle of the third third unit from the runway minus 2', i.e. angle B unit from the runway minus 2', i.e. angle B minus 2',minus 2', and and - for an APAPI this shall be the setting angle of the unit - for an APAPI this shall be the setting angle of the unit fartherfarther from the runway minus 2', i.e. angle A minus 2'.from the runway minus 2', i.e. angle A minus 2'.


Chapter 2. Aerodrome Data2.132.13 Coordination between aeronautical information Coordination between aeronautical information

services and aerodrome authoritiesservices and aerodrome authorities

To ensure that aeronautical information services units obtain To ensure that aeronautical information services units obtain information to enable them to provide up-to-date pre-flight information to enable them to provide up-to-date pre-flight information and to meet the need for in-flight information, information and to meet the need for in-flight information, arrangements shall be made between aeronautical arrangements shall be made between aeronautical information services and aerodrome authorities responsible information services and aerodrome authorities responsible for aerodrome services to report to the responsible for aerodrome services to report to the responsible aeronautical information services unit, aeronautical information services unit, with a minimum of with a minimum of delaydelay::

a) a) information on aerodrome conditionsinformation on aerodrome conditions;;

b) b) the operational status of associated facilities, services andthe operational status of associated facilities, services and

navigation aidsnavigation aids within their area of responsibility; within their area of responsibility;

c) c) any other informationany other information considered to be of operational considered to be of operational

significance.significance.


End of Chapter 2.End of Chapter 2.

Chapter 2. Aerodrome Data

Documents

Transcript of Chapter 2. Aerodrome Data