Backtaxi (also known as backtrack) is an airport ground procedure which involves the use of any portion of a runway as a taxiway for an aircraft to taxi in the opposite direction from which it will take off or has landed.[1][2] The procedure is commonly used at smaller airports and private strips which may not have separate paved taxiways parallel to the runway. It is a higher-risk procedure, as pilots may not see, or hear the radio transmissions from, aircraft taxiing on the runway.[3]
At controlled airports, take-off or landing clearances do not authorize the pilot to reverse course and backtrack along the runway, unless specified by air traffic control.[4][5] At uncontrolled airports, pilots are recommended to broadcast their intentions while backtracking in the interest of safety; for example, the statement "Entering and backtracking runway 36" would indicate the aircraft is taxiing along a magnetic heading of 180 degrees, against the flow of traffic.
An infamous and rare example of where backtracking was used for large commercial aircraft was the Tenerife airport disaster, where two Boeing 747s at Tenerife North Airport were required to backtaxi in order to position themselves for take-off.[6] The ramps and taxiways were occupied by numerous parked aircraft which had been detoured as a result of a bomb threat at another airport.[7]
References
edit- ^ FAA Aviation News; A DOT/FAA Flight Standards Safety Publication. Federal Aviation Administration. 1998. p. 11.
- ^ Liz Mariner. CLEARED FOR TAKEOFF: Teacher's Supplement. Ae Link Publications. p. 94.
- ^ United States House Committee on Transportation and Infrastructure (22 September 2010). Residential Through-the-fence Agreements at Public Airports; Action to Date and Challenges Ahead : Hearing Before the Committee on Transportation and Infrastructure, House of Representatives, One Hundred Eleventh Congress, Second Session. p. 10. ISBN 9780160886683.
- ^ Aeronautical Information Publication Australia ENR 1.1 5.2
- ^ Aeronautical Information Publication Australia ENR 1.1 16.2
- ^ Patrick Smith (27 March 2017). "The true story behind the deadliest air disaster of all time". The Daily Telegraph. Retrieved 24 August 2022.
- ^ Jeffrey Price; Jeffrey Forrest (2016). Practical Airport Operations, Safety, and Emergency Management Protocols for Today and the Future. Elsevier Science. p. 278. ISBN 9780128006016.
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