Date: 22 Nov 97 20:41:26 From: firstname.lastname@example.org (Robert Dorsett) Organization: Netcom Online Communications Services (408-241-9760 login: guest) References: 1 2 3
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In article <airliners.1997.2651@ohare.Chicago.COM> email@example.com writes: >Steve Lacker wrote: > >One other point. The APU cannot be operated in the air on the >B747-100/200 series...of running during takeoff, the APU on the B747-400 >can be used upto approx 15-20,000 ft. Its doubtful it can be started >in the air. That is not correct. There are can be altitude limitations on APU use, but on some -200 variants at least, APU use is possible under 20,000', and bleed air is available under 15,000'. There will be a big placard reading "APU CERTIFIED FOR IN-FLIGHT START AND OPERATION" if this is feasible. -- Robert Dorsett Moderator, sci.aeronautics.simulation firstname.lastname@example.org email@example.com "Bother," said Pooh when his engine quit on take-off.