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Old Feb 17, 2024 | 4:41 am
  #22  
PLeblond
Formerly known as tireman77
 
Join Date: Dec 2013
Posts: 7,797
Originally Posted by 13901
On the 787s at least you can depart with an U/S APU.




https://www.faa.gov/sites/faa.gov/fi...v_18_Draft.pdf
Indeed. If I read that correctly it indicates without an APU the ETOPS is capped at 180. Obviously enough for most TATL Flights, but certain TPAC and Southern Polar routes (and weather depending some Arctic crossings) would require a change in flightpath.
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