Skip to content

A gradual release of Avioverse begins in October 2026. Request early access →

CS HPT-DSN.B.110 Helicopter clearways

Certification Specifications and Guidance Material for Heliport Design (CS-HPT-DSN) — Issue 1 · Regulation (EU) No 139/2014 · EAR revision 13 Mar 2026

IRImplementing rule

CS HPT-DSN.B.110Helicopter clearways

(a)Applicability: When provided, a helicopter clearway should be located beyond the end of the FATO.

(b)Characteristics:

(1)The width of a helicopter clearway should not be less than that of the associated safety area (see Figure B-1).

(2)The ground in a helicopter clearway should not project above a plane having an upward slope of 3 per cent, commencing at the periphery of the FATO.

(3)An object situated in a helicopter clearway, which may endanger helicopters in the air, should be regarded as an obstacle and should be removed.

IR · CS HPT-DSN.B.110 — Regulation (EU) No 139/2014 · ED Decision 2019/012/R · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026

All rules in CHAPTER B — HELICOPTER OPERATING AREAS

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.

Ask Metis about CS HPT-DSN.B.110 →

Metis opens with Avioverse in October 2026 · request early access.