reflective airport sign
identification of place, directional signs, signs marking way out of RWY, signs marking freeing of RWY, signs marking holding points on communication, etc.
Certificate basis
ICAO ANNEX 14 Volume I
FAA AC 150/5345-44F
Description/Properties
sign reflects light of specified lighting parameters
legibility of active surface is ensured by used of retroreflective foil
Type of signs
Mandatory sign - white inscription on red background, it is used for identification of the holding point at the RWY threshold, at crossing of RWY/RWY, RWY/TWY, for indication that entry to the filed is prohibited and for identification of the holding point on communication
Informative sign - black inscription and frame on yellow background, it is used for indication of direction of movement, indication of destination, identification of place of freeing of RWY, identification of the center of RWY, identification of place for testing of equipment VOR, indication of aircraft position
Informative sign - yellow inscription and frame on black background, it is used for identification of place on TWY
Informative sign - white inscription on black background, it is used for indication of remaining length of RWY
Construction
structure consisting of aluminium box made of sandwich aluminium sections
the whole assembly box of the sign is made as compact unit of required rigidity and appropriate resistance to atmospheric exposures.
back wall is made of aluminium sheet metal thickness of 2 mm