IRImplementing rule
CS ADR-DSN.Q.841Objects to be marked and/or lighted outside the lateral boundaries of the obstacle limitation surfaces
(a)Applicability: The specifications for objects to be marked and/or lighted outside the lateral boundaries of the obstacle limitation surfaces apply only to the area under control of the aerodrome operator.
(b)Obstacles in accordance with CS ADR-DSN.J.487 should be marked and lighted, except that the marking may be omitted when the obstacle is lighted by high-intensity obstacle lights by day.
(c)When considered as an obstacle, other objects outside the obstacle limitation surfaces should be marked and/or lighted.
[Issue: ADR-DSN/3]
IR · CS ADR-DSN.Q.841 — Regulation (EU) No 139/2014 · ED Decision 2016/027/R · Aerodromes Easy Access Rules · EAR revision 13 Mar 2026