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CS ADR-DSN.B.035 Length of runway and declared distances

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

IRImplementing rule

CS ADR-DSN.B.035Length of runway and declared distances

(a)The length of a runway should provide declared distances adequate to meet the operational requirements for the aircraft which the runway is intended to serve.

(b)The following distances should be calculated to the nearest metre for each runway:

(1)Take-off run available;

(2)Take-off distance available;

(3)Accelerate-stop distance available; and

(4)Landing distance available.

(c)The length of the runway is measured from the start of the runway pavement or where a transverse stripe marking is provided to indicate threshold displacement, at the inner edge of the transverse stripe across the runway.

[Issue: ADR-DSN/3]

IR · CS ADR-DSN.B.035 — Regulation (EU) No 139/2014 · ED Decision 2016/027/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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