Thanks for the replies so far. Interested to see some more.
Our Boeing Fleet (not Airbus) has just decided to change SPO's to changing to QNH "AT and NOT BEFORE Transition level on descent.
The claim is this is standard ICAO ( even though the "other" fleet doesn't) and everyone else in the world does this.
Last edited by valhalla634; 4th Apr 2017 at 05:03.