2019年4月17日 · What happens when you lose GPS updating? You revert to inertial and radio updating (I can speak only for 777 and probably most Boeings). Yes, there's still a navigation solution being calculated. However your operations become greatly degraded. You can't fly in RNP4, RNP2, FANS (depending on location), or ADS-B require airspace.

2012年8月11日 · Corporate - Bravo Operators - Hey guys and gals, I'm looking for a little help on an upcoming flight across the Gulf.