QNH and QFE

QNH is the altimeter setting you use on almost every flight. You see how it makes the altimeter show altitude above mean sea level, how QFE differs, and what the altimeter reads on the ground.

What you learn

• Explain why an altimeter needs a pressure reference
• Say what the altimeter shows with QNH and with QFE
• Check QNH on the ground against the aerodrome elevation

In playlists

• Weather
• Navigation

Also on

• Glossary: QNH
• Glossary: QFE
• Wiki: Altimeter Settings (QNH, QFE, STD, and Flight Levels)
• Wiki: Q-Codes (QNH, QFE, QDR, QDM)
• Glossary: Q-codes
• Video course: VFR Radiotelephony