Leaning the mixture

Why the mixture is leaned as the air thins, and the 172S handbook procedure with the exhaust gas temperature gauge: find the peak, then set recommended lean 50 °F rich of it. Plus the mixture from taxi to landing.

What you learn

• Explain why thinner air needs less fuel
• Lean in cruise with the EGT gauge, step by step
• Choose recommended lean or best economy
• Lean for taxi and high airfields, go rich to land

In playlists

• Aircraft and systems
• Planning and performance

Also on

• Video course: Cessna 172
• Wiki: Mixture Control