CS ADR-DSN.P.825 Taxiway edge markers

(a)Applicability: Taxiway edge markers should be provided on a taxiway where taxiway centre line or edge lights or taxiway centre line markers are not provided.

(b)Location: Taxiway edge markers should be installed at least at the same locations as would the taxiway edge lights, had they been used.

(c)Characteristics:

(1)A taxiway edge marker should be retroreflective blue.

(2)The marked surface as viewed by the pilot should be a rectangle and should have a minimum viewing area of 150 cm2.

(3)Taxiway edge markers should be frangible. Their height should be sufficiently low to preserve clearance for propellers and for the engine pods of jet aircraft.