DRAFT CAP 1668 AERODROME SURVEY GUIDANCE · Aerodrome survey guidance (draft CAP 1668) ......

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1 DRAFT CAP 1668 AERODROME SURVEY GUIDANCE Joanna LLEWELLYN-SANTKIEWICZ 8th May 2018

Transcript of DRAFT CAP 1668 AERODROME SURVEY GUIDANCE · Aerodrome survey guidance (draft CAP 1668) ......

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DRAFT CAP 1668 AERODROME SURVEY GUIDANCE

Joanna LLEWELLYN-SANTKIEWICZ

8th May 2018

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❖ Aligned with Aurora Project (NATS).

❖ Cross-domain exercise.

❖ Working in collaboration internally and externally.

❖ Interface with NATS and MOD.

❖ Aligned actions (i.e. comms).

❖ Introducing new publications (i.e. CAP 1668).

❖ Training (internally and externally).

❖ DO WS.

❖ Cross-domain oversight.

ADQ IR Project

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eTOD & ADQ

▪ eTOD – electronic Terrain and Obstacle Data

▪Data provided (recorded) in defined coverage areas 1-4

▪ Every coverage area has got a defined data collection surface and specified requirements for data collection (data numerical requirements and attributes).

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Aerodrome survey guidance (draft CAP 1668)

▪ Collaboration between AIM, Aerodrome and Airspace Regulators and NATS AIM.

▪ This document provides additional guidance for aerodrome operators and other dataoriginators (including contracted activities) to support compliance with the RegulationEU 139/2014, EU 73/2010 and ICAO Annex 4, Annex 11 and Annex 14. This guidance alsocomplements AMC and GM to the EU 139/2014, ICAO PANS-AIM, EUROCONTROL -Terrain and Obstacle Data Manual and CAP 1054 and should be used in conjunction withthose documents.

▪ The guidance is applicable to UK CAA EASA certificated aerodromes and all aerodromeswith Instrument Flight Procedures.

▪ This guidance therefore will replace CAP 232 for those aerodromes.

▪ Planned publication Q3 2018.

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CAP 1668 will reflect all policy decisions made by the ADQ IR Project Board to address identified issues.

CAP 1668 objectives (amongst others):

➢ eTOD and eTOD PLUS

➢ Transition Plan

➢ List of dominant obstacles

➢ Continuous monitoring of the obstacle environment and annual review of the aerodrome survey data

➢ Format & submission of survey report to AIS

➢ Aerodrome data in AIP

➢ Terrain data

➢ Alternative Means of Compliance

➢ Guidance on the content of Formal Arrangement between the Aerodrome Operator and the external organisation providing survey of aeronautical data for the aerodrome.

Aerodrome survey guidance (draft CAP 1668)

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eTOD

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eTOD & eTOD PLUS

➢In order to comply with the requirements of eTOD and Annex 14 (OLS) the CAAhave defined comprehensive data collection surfaces – eTOD PLUS.

➢Specific UK guidance on data collection surfaces (eTOD PLUS) was created onthe basis of data collection areas and surfaces defined by ICAO Annex 15 andEU 139/2014 as Electronic Terrain and Obstacle Data Areas (eTOD) Areas 1-4.

➢These surfaces are amended to ensure that one aerodrome survey will deliverall the data necessary to generate Obstacle Limitation Surfaces, designInstrument Flight Procedures and produce the required charts.

➢CAP 1668 includes a full description of the eTOD PLUS policy, including thecomparison between eTOD (as required by Annex 15 and EU 139/2014) andeTOD PLUS.

➢CAP 1668 includes a graphical representation of the amendments to thedefined eTOD surfaces.

➢To achieve compliance with EU 139/2014 and requirements included in ICAOAnnex 4, Annex 11 and Annex 14, eTOD Areas 1-4 should always be used as areference in the Aerodrome Survey Report.

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Detailed comparison included in CAP 1668

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eTOD & eTOD PLUS main differences

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eTOD & eTOD PLUS main differences

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eTOD & eTOD PLUS main differences

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▪ An Aerodrome Operator should provide evidence that aerodrome survey iscompliant with EU 139/2014 and EU 73/2010 during audits.

▪ That requires delivering a full initial survey.

▪ Noting that many aerodromes have yet to implement ADQ it is anticipated thatat the next audit a finding may be raised.

▪ Aerodrome operators will be expected to deliver the full survey before thedate of their next scheduled 5-year Instrument Flight Procedure (IFP) review(the latest) which should be reflected in the corrective action andimplementation plan.

Transition plan – aerodrome survey

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List of dominant obstacles

▪ The aerodrome survey should identify the dominant obstacles in Areas 2b and 2c which will allow the IFP designers the flexibility to adjust the approach and missed-approach paths and gain the best operational advantage in terms of OCH regarding local terrain and/or airspace restrictions, against the design criteria laid down in PANS-OPS Vol II.

▪ Survey areas 2b and 2c should be divided up into a mosaic of tiles 0.5 km x 1 km, starting on each side of the runway centreline, where the longer side of the tile is perpendicular to the runway centreline.

▪ The optimum requirement is to record the height of the three highest obstacles in each tile, thus allowing the IFP designer to calculate the most advantageous Minimum Descent Altitude/Height (MDA/H).

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Continuous monitoring & annual reviews

▪ Aerodrome operators shall establish procedures for monitoring the obstacle environment. After identification of new obstacle penetrating data collection surfaces, aerodrome obstacle data sets should be updated as soon as practically possible.

▪ Every update to the aerodrome obstacle data set resulting in an AIP change should be send to AIS as an AIP change request.

▪ The impact of any new obstacle on the aerodromes’ operation should be assessed and documented.

▪ The aerodrome operator should be aware of any change in status of the dominant obstacles or of the erection of any obstacle higher than the already existing dominant obstacle (CAP 738 – Aerodrome Safeguarding).

▪ Aerodrome operators should conduct an annual review of their aerodrome survey data.

▪ The Aerodrome Manual should include a procedure that describes an assessment of any changes to the obstacle environment and include details of the annual reviews of the aerodrome survey data (for EASA certificated aerodromes see AMC3 ADR.OR.E.005Aerodrome manual Part E, point 18).

▪ The annual review must be fit for purpose and should provide evidence confirming that such a review has been conducted.

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FORMAT

▪ Current digital file specification will be maintained (based on CAP 232 Annex B).

▪ CAP 1668 will list all files required to be provided in the survey package.

▪ As a transitional arrangement until all stakeholders are able to adopt the Eurocontrol AIXM harmonised coding specification, NATS AIM will accept a single .zip file containing files required to be included in the survey package.

▪ This .zip file should be submitted to AIM via Data Originators Portal, attached to the AIP Change Request.

▪ Aerodrome operators are encouraged to adopt the AIXM 5.1 format for their Master obstacles file.

▪ Aerodrome facilities data will be typed in directly to the AIM system by the person authorised to submit changes on behalf of the aerodrome on Data Originators Portal.

▪ In the future, all aerodrome survey data will be exchanged in AIXM 5.1.

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Submission to AIS & AIP AD 2.10

▪ EASA certificated aerodromes or aerodromes with Precision IFPs CAT II and III should deliver an Area 2 and 3 obstacle data to AIS to be published in their AIP section AD 2.10.

▪ Non-EASA certificated aerodromes published in the UK AIP can indicate that information on obstacles in Area 3 is not available and the obstacle data are to be provided for:

a) Area 2a;b) obstacles that penetrate the obstacle limitation surfaces;c) obstacles that penetrate the take-off flight path area obstacle identification

surface; d) other obstacles assessed as being hazardous to air navigation.

▪ Any changes identified as affecting the Type A – Aerodrome Obstacle Chart or Aerodrome Terrain and Obstacle Chart (electronic) should result in the full provision of all surveyed obstacles as part of the AIP Change Request.

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Terrain data

▪ The aerodrome operator should consider obtaining their terrain data from commercial providers.

▪ Ordnance Survey (OS Terrain 5 and lower) or an equivalent provider which meets the requirements of ICAO Annex 15 and EU 139/2014.

▪ It is essential that the data set describes terrain using the required terrain attributes and that the terrain data meets the required numerical requirements.

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Alternative Means of Compliance

▪ CAP 1668 provides additional guidance for aerodrome operators and other dataoriginators to achieve compliance with EU 139/2014 and complementsavailable AMCs and GM.

▪ Alternative means of compliance (AltMoC) can be used to establish compliancewith the EU 139/2014.

▪ Aerodrome operators may provide an assessment presenting evidence as towhether the lack of a particular TOD data area (or its part) or any otherdifferences in requirement would not compromise the safety of operations andremains in accordance with EU 139/2014.

▪ The preparation of the assessment would require close collaboration betweenthe aerodrome operator, ANSP and the chosen IFP designer. The assessmentshould also identify whether or not it is necessary to issue an AltMoC.

▪ If needed, the aerodrome operator is to prepare an AltMoC document whichwould require evaluation and acceptance by the CAA.

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eTOD

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Guidance on the content of Formal Arrangement between the Aerodrome Operator and the external organisation providing survey of aeronautical data for the aerodrome.

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Thank you for your time.

Joanna LLEWELLYN-SANTKIEWICZUK CAA AIMR, email: [email protected]