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From Wikipedia, the free encyclopedia

Airbus A380-800 operated by Qatar Airways on apron outside Heathrow Terminal 4 with jet bridges and a wide range of ground handling equipment around such as aircraft container, pallet loader, ULD, jet air starter, belt loader, pushback tug, catering vehicles, and dollies.
Airbus A380-800 operated by Qatar Airways on apron outside Heathrow Terminal 4 with jet bridges and a wide range of ground handling equipment around such as aircraft container, pallet loader, ULD, jet air starter, belt loader, pushback tug, catering vehicles, and dollies.

The airport apron, apron, flight line, ramp, or tarmac is the area of an airport where aircraft are parked, unloaded or loaded, refueled, boarded, or maintained.[1][2][3] 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.[citation needed]

When the aerodrome control tower does not have control over the apron, the use of the apron may be controlled by the apron management service[4][5] (apron control or apron advisory) to provide coordination between the users. Apron Control allocates aircraft parking stands (gates) and communicates this information to tower or ground control and to airline handling agents; it also authorises vehicle movements where they could conflict with taxiing aircraft such as outside of painted road markings.[6] The authority responsible for the aprons is also responsible for relaying to ATC information about the apron conditions such as water, snow, construction or maintenance works on or adjacent to the apron, temporary hazards such as birds or parked vehicles, systems failure etc.[3] Procedures should be established for a coordinated information provision between the aircraft, vehicle, apron control unit and ATC to facilitate the orderly transition of aircraft between the apron management unit and the aerodrome control tower.[4][7]

The apron is designated by the ICAO as not being part of the maneuvering area but included in the movement area.[3] Aircraft stand taxilanes (providing access to aircraft stands) and apron taxiways (taxi routes across the apron) are located on the apron.[3] All vehicles, aircraft and people using the apron are referred to as apron traffic.[5]

Other terms

Flight line

The US military typically refers to the apron area as the flight line.[5]

Tarmac

Some in the general public and news media refer to the apron at airports as the tarmac[5] even though most of these areas are paved with concrete, not tarmac.[8] Specific materials used include asphalt concrete (which itself is often inexactly called "tarmac," adding to the confusion), porous friction course, and Portland cement concrete.[9]

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 (the word ramp is not), so the word ramp is not used with this meaning outside the US, Canada, the Maldives, and the Philippines. IATA cites ramp as an equivalent term to apron.[2] For seaplanes, a ramp is used to access the apron from the water.[5]

See also

References

  1. ^ FAA Advisory Circular 120-57A – See page 2 for definition of Apron (Ramp)
  2. ^ a b "IATA Reference Manual (IRM) for Audit Programs 11th edition". IATA.org. International Air Transport Association. Retrieved 2 May 2021.
  3. ^ a b c d "Doc 4444 Procedures for Air Navigation Services — Air Traffic Management (PANS-ATM)" (PDF). OPS Group. 2016. p. 23, 30, 147. Retrieved 2 May 2021.
  4. ^ a b International Civil Aviation Organization (2018). "ICAO Annex 14, Aerodromes - Volume 1, Aerodrome Design and Operations" (PDF). International Civil Aviation Organization. pp. 27, 229–230. Retrieved 2 May 2021.
  5. ^ a b c d e Kumar, Bharat; DeRemer, Dale; Marshall, Douglas M. (2004). An Illustrated Dictionary of Aviation. New York: McGraw-Hill. p. 69. ISBN 978-0-07-139606-6.
  6. ^ Smith, David (2015). Air Traffic Control Handbook (10th ed.). Manchester: Crécy. p. 126. ISBN 978-08597-91830.
  7. ^ Runway and Ground Safety Working Group (21 November 2018). "Implementation of Aerodrome Safety Priorities and Objectives in the MID Region: APRON MANAGEMENT – DRAFT REGIONAL SAFETY ADVISORY" (PDF). Cairo, Egypt: International Civil Aviation Organization. p. 14.
  8. ^ "It's NOT A Tarmac! Airline Terminology". Aerosavvy. 14 July 2014. Retrieved 2 May 2021.
  9. ^ Jack A. Scott (May 1999). "CONSTRUCTION MANUAL FOR AIRPORT PAVEMENTS" (PDF). FAA. FEDERAL AVIATION ADMINISTRATION NORTHWEST MOUNTAIN REGION. Archived from the original (PDF) on September 6, 2015.

External links

This page was last edited on 29 November 2021, at 07:47
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