CS ADR-DSN.P.830 Taxiway centre line markers

(a)Applicability:

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

(2)Taxiway centre line markers should be provided on a taxiway where taxiway centre line lights are not provided if there is a need to improve the guidance provided by the taxiway centre line marking.

(b)Location

(1)Taxiway centre line markers should be installed at least at the same location as would taxiway centre line lights had they been used.

(2)Taxiway centre line markers should be located on the taxiway centre line marking except that they may be offset by not more than 0.3 m where it is not practicable to locate them on the marking.

(c)Characteristics:

(1)A taxiway centre line marker should be retroreflective green.

(2)The marked surface as viewed by the pilot should be a rectangle, and should have a minimum viewing area of 20 cm2.

(3)Taxiway centre line markers should be so designed and fitted as to withstand being run over by the wheels of an aircraft without damage either to the aircraft or to the markers themselves.