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Mnemonic Devices > Aviation > Pre-landing Checks

Pre-landing Checks

 Mnemonics: Pre-landing Checks

In UK aviation, BUMPH is a mnemonic for the pre-landing checks carried out by pilots of light aircraft when approaching an airport with intention to land.

BUMPH is an acronym for
Brakes - unlocked so that wheels are free to rotate on touchdown
Undercarriage - down and locked (or welded in the case of fixed-gear aircraft)
Mixture - set full rich (or as appropriate to temperature and altitude)
Propellor - set full fine pitch (when a variable pitch propellor is fitted)
Hatches (and Harnesses) - secured.

These provide only the bare minimum of pre-landing checks, but a more complete list doesn't provide a neat acronym. In this sense the mnemonic should probably be used only as a reminder rather than a complete set of checks.

A more complete check would include:

Brakes
Undercarriage
Mixture
Carb heat - apply and check for icing (This step is omitted in aircraft with fuel injection systems)
Fuel - select correct tank and check there's enough to perform a go around if necessary, fuel pump ON
Flaps - select landing or descending flap
Hatches and Harness
Transponder - select as appropriate
Landing Light - switch on
BUMPFFICHH

BRAKES (OFF) UNDERCARRIAGE (DOWN AND FIXED) MIXTURE (RICH) PROPELLOR FLAPS (SET) FUEL (CORRECT TANK, FUEL SUFFICIENT, FUEL PUMP ON) INSTRUMENTS (TEMPERATURES AND PRESSURES, QNH/QFE SET ON ALTIMETER) CARB HEAT (RUN FOR 10-20 SECONDS) HATCHES (SECURE) HARNESSES (TIGHT)

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