Visual Aids For Navigation

Signs

Note — Signs shall be either fixed message signs or variable message signs. Guidance on signs is contained in the ICAO Aerodrome Design Manual, Part 4.

Application

9.2.4.1.1   Signs shall be provided to convey a mandatory instruction, information on a specific location or destination on a movement area or to provide other information to meet the requirements of paragraph 13.2.8.1 of this Manual.

Note — See paragraph 9.2.2.17 of this Manual for specifications on information marking.

9.2.4.1.2   Recommendation

Characteristics

9.2.4.1.3   Signs shall be frangible. Those located near a runway or taxiway shall be sufficiently low to preserve clearance for propellers and the engine pods of jet aircraft. The installed height of the sign shall not exceed the dimension shown in the appropriate column of Table 9-5.

9.2.4.1.4   Signs shall be rectangular, as shown in ICAO Annex 14 Vol. I, Figures 5-29 and 5-30 with the longer side horizontal.

9.2.4.1.5   The only signs on the movement area utilizing red shall be mandatory instruction signs.

9.2.4.1.6   The inscriptions on a sign shall be in accordance with the provisions of ICAO Annex 14 Vol. I, Appendix 4.

9.2.4.1.7   Signs shall be illuminated in accordance with the provisions of ICAO Annex 14 Vol. I, Appendix 4 when intended for use:

a) In runway visual range conditions less than a value of 800 m; or

b) At night in association with instrument runways; or

c) At night in association with non-instrument runways where the code number is 3 or 4.

 

Sign height (mm) Perpendicular distance from defined taxiway pavement edge to near side of sign Perpendicular distance from defined runway pavement edge to near side of sign
Code number Legend Face (min.) Installed (max.)
1 or 2 200 400 700 5-11 m 3-10 m
1 0r 2 300 600 900 5-11 m 3-10 m
3 or 4 300 600 900 11-21 m 8-15 m
3 or 4 400 800 1100 11-21 m 8-15 m