Markings Signs Handbook: Apron

These are the navigation aids. Featuring black text on a yellow background, they provide routing information.

Modern aprons increasingly rely on Visual Docking Guidance Systems (VDGS) to supplement traditional markings. These systems provide precise, real-time guidance to pilots during aircraft stand entry, particularly in low-visibility conditions. Apron Markings Signs Handbook

One of the most critical elements discussed in any apron handbook is the lead-in line. These solid yellow lines guide the nose gear of an aircraft toward its designated parking position. By following these lines, pilots ensure that their wingtips maintain a safe distance from buildings and other parked aircraft. At the end of these lines, you will often find "stop bars" or "alignment bars" which tell the pilot exactly where to halt the aircraft to align with passenger boarding bridges. These are the navigation aids

Apron markings and signs are visual aids that provide guidance, instruction, and safety information to pilots and ground vehicle operators. They are designed to be clear, unambiguous, and easily understood, even in low-visibility conditions. These systems provide precise, real-time guidance to pilots

Location signs can be installed on the back of holding position signs, providing efficient use of sign infrastructure.

Broken yellow or white lines that guide the pushback tractor when moving an aircraft away from the gate.

Continuous or dashed lines (often white or red) that separate aircraft taxilanes from vehicle roadways and parking zones.