GM1 ADR-DSN.M.655 Obstacle protection surface for PAPI and APAPI

Certification Specifications and Guidance Material for Aerodrome Design (CS-ADR-DSN) — Issue 7 · Regulation (EU) No 139/2014 · EAR revision 13 Mar 2026

GMGuidance material

GM1 ADR-DSN.M.655Obstacle protection surface for PAPI and APAPI

(a)The displacement of the system upwind of the threshold reduces the operational landing distance.

(b)Additional guidance on the calculation for siting PAPI/ APAPI on a runway with ILS/MLS is given in ICAO Doc 9157, Aerodrome Design Manual, Part 4, Visual Aids.

[Issue: ADR-DSN/4]

GM · GM1 ADR-DSN.M.655 — Regulation (EU) No 139/2014 · ED Decision 2017/021/R · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026

All rules in CHAPTER M — VISUAL AIDS FOR NAVIGATION (LIGHTS)

Consolidated from the EASA Easy Access Rules (revision 13 Mar 2026, extracted 17 Aug 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.

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