GM1 ADR-DSN.B.185 Transverse slopes on runway strips

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.B.185Transverse slopes on runway strips

(a)Where required for proper drainage, an open-air storm water conveyance may be allowed in the non-graded portion of a runway strip and should be placed as far as practicable from the runway.

(b)The aerodrome RFF procedure should take into account the location of open-air storm water conveyances within the non-graded portion of a runway strip.

[Issue: ADR-DSN/4]

GM · GM1 ADR-DSN.B.185 — Regulation (EU) No 139/2014 · ED Decision 2017/021/R · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026

All rules in CHAPTER B — RUNWAYS

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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