Airport apron


The airport apron, flight line, or ramp is the area of an airport where aircraft are parked, unloaded or loaded, refilled, or boarded. Although the use of the apron is covered by regulations, such as lighting on vehicles, it is typically more accessible to users than the runway or taxiway. However, the apron is not usually open to the general public and a permit may be required to gain access. By extension, the term apron is also used to identify the air traffic control position responsible for coordinating movement on this surface at busier airports.
The use of the apron may be controlled by the apron management service to provide coordination between the users.
The apron is designated by the ICAO as not being part of the maneuvering area. All vehicles, aircraft and people using the apron are referred to as apron traffic.

Other terms

Flight line

The US military typically refers to the apron area as the flight line.

Tarmac

Some in the general public and news media refer to the apron at airports as the tarmac even though most of these areas are paved with concrete, not tarmac. Specific materials used include asphalt concrete, porous friction course, and Portland cement concrete.

Ramp

In the United States, the word ramp is an older term for an area where pre-flight activities were done; an apron was any area for parking and maintenance. Passenger gates are the main feature of a terminal ramp. The word apron is the ICAO and FAA terminology, so the word ramp is not used with this meaning outside the US, Canada, Maldives, and the Philippines.