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Guest Mark McG

VNAV DES Page

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Noticed this twice:Change DES Restriction from 240/FL100 to 250/FL100.Starting Descent, instead of mainting the target descent speed of 284/M0.771 the aircraft throttles back to 250 KIAS and descends at this speed all the way down.What am I doing wrong here?

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Good question Mark, in reality the FMC should ignore the TARGET speed while in a PATH DESCent, only in a SPEED DESCent should the target be maintained although in either DESCent mode the FMC will slow for the AIRPORT RESTRICTION (240/10000) then resume desent. I will need to look at the change effect.[h4]Best Wishes,Randy J. Smithhttp://www.precisionmanuals.com/images/betaimg.jpg

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