Sat, Mar 07, 2009
Aero-Terms are designed to be a daily reminder of the terms,
names, acronyms and explanations of the unique language that
populates the aviation world. Aerospace, sport aviation, fixed
wing, helo, you name it... it's all fair game.
Aero-Terms should serve as a quick but intriguing reminder of
the terms you may use every day, or an introduction to an aspects
of the Aero-World you may not yet be familiar with. ANN also
encourages readers to go beyond the FMI link, and further research
any intriguing terms.
Suggestions for future Aero-Terms are ALWAYS
welcome, as are additions or discussion of the
explanations given for each Aero-Term.
An airport procedure during which an aircraft is pushed
backwards away from an airport gate by external power, when there
isn't enough room for the aircraft to turn around under its own
power (which requires some degree of forward motion). Pushbacks are
carried out by special, low-profile vehicles called pushback
tractors or tugs. Although many aircraft can also move backwards on
the ground using reverse thrust (a procedure referred to as a
powerback), the resulting jet blast or prop wash may cause damage
to the terminal building or equipment. Engines close to the ground
may also blow sand and debris forward and then suck it in to the
engine, causing damage to the engine.
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