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Old 29th January 2013 | 05:27
  #459 (permalink)  
RR_NDB
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From: Nearby SBBR and SDAM
APU battery not used in BOS
fergineer:

Why would they start the APU using the battery when starting with the engines running and providing power is the normal way to start an APU.Or if on the ground an Aux Power unit would be connected surely.


Sure! i was concentrated thinking on main battery and was supposing APU battery as the only source. Certainly is not.

Thanks for questioning. Must go bed... Fatigue could explain.

This means both Li Ion (main and APU) on 787 are kept "floating" most of their life.
Last edited by Jetdriver; 30th January 2013 at 03:18.
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