ATPL » Air Law – Helicopter » Aerodrome Marking
37.76.12 Interpret runway, taxiway, apron and stand signs and markings.
Advisory Circular AC139-6
Aerodrome Design Requirements:
All Aeroplanes Conducting Air Transport Operations
All Aeroplanes above 5700 kg MCTOW
5. VISUAL AIDS FOR NAVIGATION
5.2.5 Runway markings must be white.
5.2.6 Taxiway markings and aircraft stand markings must be yellow.
Runway designation marking
5.2.9 A runway designation marking should be provided:
- at the thresholds of a paved runway
- as far as practicable at the thresholds of an unpaved runway.
5.2.10 Runway numbers should be located at a threshold when viewed from the direction of approach and located in accordance with Figure 5-1. For an unpaved runway where it is difficult to mark the runway surface, options include using a marker board (or similar) including the runway designator, or a concrete pad with the designator or concrete numbers embedded in the grass runway before or adjacent to the threshold.
5.2.11 Runway numbers should consist of two digits and should be a whole number nearest to one tenth of the magnetic bearing of the centre line of the runway when viewed from the direction of approach.