Actually a few hours out from London he would be at FL400 - i.e. 40,0000
ft pressure altitude. At FL 040 (4000 ft AMSL) he would be below the
hill tops in the Alps etc - but there isn't a lot of IAS difference
between stall and Vne at FL 400 and the 380 only reaches this level
after several hours in cruise if it was full at takeoff, though on a 14
hour leg they usually start at 340 westbound ind 350 eastbound.
Wombat
On 19/11/2015 11:48 PM, Mark Newton wrote:
On Nov 19, 2015, at 8:08 PM, dennis hipperson<[email protected]> wrote:
Upon landing I was able to go to the cockpit and ask Captain Egan what had
happened.
He said we were in wave and the speed brakes and engines were doing their job of
controlling speed and that at one point we nearly went through VNE !!!!!
At FL040 a few hours out from London, an A380 would be simultaneously within a
handful of knots of Vne and a handful of knots of Vs. Speeding up and slowing
down would both be something you’d want to do very carefully (which, I assume,
the flight management systems take care of gently :-)
- mark
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