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Old 24th March 2015 | 03:03
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PITUFITTI
 
Joined: Apr 2005
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From: SPAIN
CF6-80 N1 mismatch in ATM calculations
Hi there,

My question is why the values of N1 in the GE engines when using ATM do not match between the FMC and the FPPM (you have to go to the AFM to get the correct values), while on the PW's, EPR calculations match perfectly in the FPPM with no need to refer to the AFM. Why is that? Can somebody shed some light here...

Many thanks.
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