Skip to content

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

CS ADR-DSN.L.550 Runway side stripe marking

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.L.550Runway side stripe marking

(a)Applicability:

(1)A runway side stripe marking should be provided between the thresholds of a runway where there is a lack of contrast between the runway edges and the shoulders or the surrounding terrain.

(2)A runway side stripe marking should be provided on a precision approach runway irrespective of the contrast between the runway edges and the shoulders or the surrounding terrain.

(b)Location and characteristics:

(1)A runway side stripe marking should consist of two stripes, one placed along each edge of the runway with the outer edge of each stripe approximately on the edge of the runway, except that, where the runway is greater than 60 m in width, the stripes should be located 30 m from the runway centre line.

(2)Where a runway turn pad is provided, the runway side stripe marking should be continued between the runway and the runway turn pad.

(3)A runway side stripe should have an overall width of at least 0.9 m on runways 30 m or more in width and at least 0.45 m on narrower runways.

IR · CS ADR-DSN.L.550 — Regulation (EU) No 139/2014 · ED Decision 2014/013/R · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026

All rules in CHAPTER L — VISUAL AIDS FOR NAVIGATION (MARKINGS)

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 ADR-DSN.L.550 →

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