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Thread: 747-400 PFD Airspeed & Mach Indications
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Old 4th November 2010 | 14:16
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Long Haul
 
Joined: Nov 2000
Posts: 125
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From: UK
Looking at the low end of the scale, when on the ground and not moving the airspeed tape reads 30 without any red lights or flashing. Maybe it does the same at the high end.
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