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Thread: A320- S spd difference between MCDU and PFD???
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Old 15th July 2009 | 14:00
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FlightDetent

Only half a speed-brake
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From: Commuting not home
I would be interested if anybody had anwswer to FlywithPark's question. ?

Also please note that the FAC speed calculation is referenced in 1.22.40 p4 and it concludes that accuracy is +/- 3 kt for Vref, based on errors in calculated GW, which according to QRH speed table translates as +/- 3000 kg. Why would anybody try to substitute certified loadsheet data with such coarsely calculated value I do not understand.

Yours,
FD (the un-real)
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