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Old 24th August 2015 | 13:25
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Capn Bloggs
 
Joined: Mar 2002
: ATPL
Posts: 9,226
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From: Seat 1A
to keep the engines from constantly going from full climb power to almost idle while flying level at low level.
If you can program VNAV on departure to keep a speed up to an acceleration altitude for noise abate, and then climb 250/100 and then econ to CRZFL, why can't you program a VNAV(V/S) at 1000 to go?
McD did it beautifully in the 717 (and, I assume, the MD11). Boeing should take note...
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