October 6, 201312 yr Located on the IDENT Page. Are they simulated? Cheers, Xander Koote All round aviation geek 1st Officer Boeing 777
October 6, 201312 yr Try it and see if FMC calculated fuel prediction change. For what it is worth, those values are not changed by the pilot in real life. They are changed by maintenance to adapt the FMC performance calculation to the ageing Airframe and Engines. Airline performance monitoring tools (including monitoring trip fuel burned after each flight) provide the data maintenance requires. Rob Robson
October 7, 201312 yr Author Yes, we do it at our airline as well. I have access to the data for the aircraft we fly and keep it updated so as to keep the FMC honest ;-) Keep getting, invalid entry. Oh well.... Xander Xander Koote All round aviation geek 1st Officer Boeing 777
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