Black lettering on a yellow background. These provide location data, such as gate numbers or terminal directions.
Yellow solid lines that guide the nose wheel of an aircraft toward a specific parking position or gate.
The specific advisory circular used in the United States for marking and lighting. Apron Markings Signs Handbook
White or yellow boundary lines that define lanes for baggage tugs, fuel trucks, and catering vehicles. Standardized Signage Systems
Cross-hatched markings (often white or red) where no vehicles or equipment may be left unattended at any time. Maintenance and Compliance Black lettering on a yellow background
Visual aids are only effective if they are visible. The handbook outlines strict maintenance protocols to ensure operational safety.
Continuous red or white lines that delineate the "envelope" or footprint of the aircraft. Ground equipment must remain outside these lines until the aircraft is powered down. The specific advisory circular used in the United
Dashed or solid lines indicating the path an aircraft should follow when departing a stand.