Altimeter Setting Procedures

Question 1

QFE?

Answer 1

Displays height above runway threshold elevation when set

Question 2

Qnh?

Answer 2

Display altitude above mean sea level (msl)

Question 3

STD pressure ?

Answer 3

1013.25 hPa, displays flight levels

Question 4

Transition altitude?

Answer 4

The altitude below which aircraft should use Qnh and report vertical position as an altitude

Question 5

Transition level

Answer 5

The lowest flight level available for aircraft to operate at above the transition altitude, above which aircraft should use standard pressure and express their vertical position as a flight level.

Question 6

Transition Layer

Answer 6

The airspace between the transition altitude and the transition level