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Thread: Tolerance of Standby Altimeters in Jet aircraft. (Airbus)
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Old 10th Feb 2010, 08:50
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Grum
 
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My standby reads 40 feet lower than the primaries on the ground and about 250ft lower at FL400. Is it because it's not servo assisted? is it basically a pressure altimeter like those found in an old C172?
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