The sounds in the cabin after being pushed back from the gate. This is prior to the main engines starting, the 'engine-like' noise you can hear is the small Auxiliary power unit in the tail of the plane,(a small jet) that runs the generators and aircon before the main engines are going.
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Hi Matthew, I think you are on fairly objective and safe ground with the Auxiliary power plant article at wiki :)
People always tell me to be careful about wikipedia entries; check them against somewhere else to check whether they are indeed true.
Great one. As I said in an earlyer private message to you last week, do you have that flight's takeoff? Hadn't got a response from you; I wondered where you had gone!
Look forward to your reply
Cheers
Learn all about Auxiliary commercial aircraft power generators here ...
http://en.wikipedia.org/wiki/Auxiliary_power_unit
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