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CS ADR-DSN.R.865 Pre-threshold area

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.R.865Pre-threshold area

(a)Applicability of Pre-threshold area: When the surface before a threshold is paved and exceeds 60 m in length, and is not suitable for normal use by aircraft, the entire length before the threshold should be marked with a chevron marking.

(b)Location: A chevron marking should point in the direction of the runway and be placed as shown in Figure R-2.

(c)Characteristics: A chevron marking should be of conspicuous colour and contrast with the colour used for the runway markings; it should preferably be yellow and should have an overall width of at least 0.9 m. [Figure or form omitted from this preview — available in the Avioverse workspace library.] Figure R-2. Pre-threshold area marking

IR · CS ADR-DSN.R.865 — Regulation (EU) No 139/2014 · ED Decision 2014/013/R · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026

All rules in CHAPTER R — VISUAL AIDS FOR DENOTING RESTRICTED USE 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.

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