Sun, Mar 08, 2009
Aero-Terms!
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.
Powerback
Powerback is used by aircraft to reverse using the power of
their engines, In Europe only propeller aircraft tend to use
powerbacks as a means of reversing, while in the USA some larger
jet aircraft also perform powerbacks. While many aircraft are
physically capable of performing powerbacks, many companies will
impose restrictions on the practice, mainly due to the risk of
foreign object damage from debris propelled into the air. Small
metal objects are particularly dangerous as they can be propelled
into terminal windows, employees on the ground or even the aircraft
itself. In addition, in the United States, restrictions on
powerbacks are enforced by the FAA, the airline that owns the
aircraft, and the local aviation officials. Only certain gates at
certain airports are approved for powerbacks, and are usually
placarded as such. Many airlines impose stricter safety procedures
for powerbacks, which often include disallowing a powerback under
certain environmental conditions, such as rain or snow.
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