Apron - Markings Signs Handbook

All three of these documents are periodically updated and consolidated to incorporate new standards and reflect evolving operational needs.

Positioned prominently at the head of the stand or attached to the terminal building/PBB, these signs display the alphanumeric code of the stand (e.g., "Gate B22"). They are often illuminated or reflective for night operations.

: A marking that assists in aligning the aircraft on the desired approach angle to the stand.

According to standard international handbooks (ICAO Annex 14), the apron is a rainbow of meaning. Here is the cheat sheet: Apron Markings Signs Handbook

Apron signs are used to provide information and guidance to pilots, vehicle operators, and pedestrians on the apron area. The handbook provides detailed information on the following types of apron signs:

The handbook is part of a larger "ecosystem" of apron visual aids, which also includes:

Apron paint must be treated with anti-skid additives to prevent ground vehicles and aircraft tires from slipping during wet or icy conditions. All three of these documents are periodically updated

: Solid yellow lines, often accompanied by specific aircraft type designators (e.g., B737, A321), showing exactly where the nose wheel must stop to align with passenger boarding bridges.

Painted alphanumeric codes at the entry of the stand (e.g., "Gate B12") confirming the correct parking location.

The serves as the definitive reference for understanding, designing, implementing, and maintaining the visual aids that guide aircraft and vehicles across these critical surfaces. This comprehensive article explores every facet of apron markings and signs, drawing from international standards, regulatory frameworks, and industry best practices. : A marking that assists in aligning the

Standardized for code C, D, and E aircraft stands. Share public link

Marked with solid or dashed white lines to delineate lanes. Ground vehicles must stay within these lanes unless servicing an aircraft.