A Complete Manual for Conducting International Flight Operations

Altimetry

Altimetry

QNH

QNE

An altimeter setting which will result in the aircraft’s altimeter indicating the airport field elevation on the ground.

An altimeter setting which will result in the altimeter indicating altitude reference a standard datum 29.92 inches or 1013 hPA.

QFE

MM

An altimeter setting which will result in the aircraft’s altimeter indicating 0 at airport field elevation (FE= Field Elevation). A QFE altimeter setting shall be given to the pilot by ATC with approach and landing clearances. When an aircraft has been given a  clearance as number one to land and is completing its approach and landing using QFE, the vertical position of the aircraft shall be expressed in terms of the height above the aerodrome datum which was used in establishing obstacle clearance height. All subsequent references to vertical position shall be made in terms of height.

An altimetry reference in mm of mercury.

hPA

An altimetry reference in hecto pascals. Standard hPA is 1013 when referenced to standard.

INCHES

An altimeter referenced to inches of mercury; standard altimeter is 29.92.

 

Revision date: July 29, 2015

View Update Log

JOIN THE CONVERSATION

The material contained on this site is to be used for reference  only. You should always follow your primary resources first (aircraft manuals, government regulations, etc.).

Savant Aero is no way affiliated with any aircraft manufacturers.