Flying Instructors & ExaminersA place for instructors to communicate with one another because some of them get a bit tired of the attitude that instructing is the lowest form of aviation, as seems to prevail on some of the other forums!
anyone know how the failure flag on a vacuum driven DI works. cant find anything on this system.
Having thought about it, it could be a vacuum sensor in the instrument of some kind, or it could sense the speed of the gyro.