•THIS IS PROBABLY GOING TO BE PRETTY IRRELEVANT SOON*
•You may have re-set your altimeter to 1013 to make sure you didn’t bust a FL
•e.g. if you took off with 990mb QFE, you would ‘lose’ 690ft re-setting to QNE (1mb = 30ft   but I’m not suggesting mental calcs in the air)
•You have got to decide if/when to re-set the altimeter and to what (QFE Dunstable is on your map/hand !!!)
•* a) Daventry b) Transition level going up
A LITTLE BIT MORE ON ALTIMETRY