TRANSITION ALTITUDE
QHE CLIMBING THROUGH 29.92
E FOR EVERYONE ABOVE 29.92
TRANSITION LEVEL
QNH DESCENDING TROUGH 29.92 LOCAL ALTIMETER
LOCAL H FOR HOME
QFE
REFERENCE TO AIRPORT ELEVATION WHERE FIELD ELEVATION EQUALS 0FT.
(I DON’T KNOW WHAT THAT MEANS THAT’S F UP. GET IT F FOR QFE).