What is an APU? | Why is APU essential in an Aircraft?
Hi, In this video we take a quick look at the Auxiliary Power Unit or APU. An APU has become an essential requirement not only on Ground but in Flight as well. It may be used to provide Bleed Air or Electrical Power to the aircraft depending on the situation.
The APU may be used in normal or emergency conditions, which is why it become one of the important systems on board an airplane.
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