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Results tagged with apu
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user 3394
Auxiliary Power Unit. A device for providing alternate power to an aircraft, usually located in the aircraft's tail.
25
votes
3
answers
24k
views
In what conditions is the APU used in midair?
So the APU can be shut down shortly after engines are running. … if done when the aircraft has landed)
In the US Airways 1549, the APU was started in midair
How is the APU used in midair? …
- 16.6k
19
votes
2
answers
6k
views
Why is the APU located in the tail for almost all commercial aircraft?
I know there are planes whose APU (Auxiliary Power Unit) is located elsewhere, but for the most common commercial jet aircraft (A320, B737, B747, A330,...), the APU is located in the tail. …
- 16.6k
5
votes
1
answer
1k
views
What does the PBY Catalina's APU look like?
I found some specifications of the PBY Catalina that mention an APU, but I did not find any other references to this APU. … It seems logical that such a plane has an APU, and that this APU is not like modern gas turbine that may be fitted on airliners.
What does the APU look like in this aircraft? Where is it located? …
- 16.6k
10
votes
4
answers
35k
views
Can airliners operate without an operating APU?
As the APU (Auxiliary Power Unit) can be turned off when the engines are running, a functional APU may not be needed given you are able to start at least one engine. … This question is in two parts:
Is it technically feasible to operate an airliner without APU (with the necessary ground support)? …
- 16.6k