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Old 26th April 2013 | 10:40
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khurram butt
 
Joined: Aug 2008
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From: pakistan
PL angle of 45 degrees
For ATR 42 crew, what is the significance of 45 degrees PL angle. The AFM says that incase of AFU or ATPCS u/s, and engine fail, manually feather the prop before reducing the PLA below 45. Why is that ?
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