Originally Posted by littco
We hang onto the QFE as it HAS to be used for precision approaches. Having said that if your aircraft has a radio altimeter then you would use this instead. I guess then it would only be used as a backup.
Not so. It certainly
doesn't have to be used for precision approaches.
We fly IFR whenever necessary and I can't think of one occasion where we have used QFE; all the IFR approaches at UK major airports are QNH based.