HASELL

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In aviation, in the UK, New Zealand and elsewhere, HASELL is a standard mnemonic to prompt a series of checks prior to carrying out many types of manoeuvres, such as stalls, spins, spiral dives or aerobatics.

HASELL is an acronym for:

  • Height - sufficient to recover
  • Airframe - rated for the manoeuvre, flaps and landing gear as required, trimmed.
  • Security - hatches and harnesses secure, no loose items in cockpit, gyros caged.
  • Engine - running normally, fuel sufficient for manoeuvre, no carb icing.
  • Location - clear of cloud, controlled and restricted airspace, airfields, built-up areas, other aircraft.
  • Look Out - inspection turn to make sure area is clear around and below

When several manoeuvres are to be flown, after the initial HASELL check the shorter mnemonic HELL can be used for subsequent manoeuvres.

[edit] See also

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