HASELL


In aviation, in Australia, Canada, New Zealand, South Africa, the United Kingdom and elsewhere, HASELL or alternatively HASEL, 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.
The HASEL acronym stands for:
  • Height
  • Area
  • Security
  • Engine
  • Lookout
or alternatively:
  • Height
  • Airframe
  • Security
  • Engine
  • Location
  • Lookout
HASELL is often abbreviated to HELL for any subsequent manoeuvres.
The Area or Location check can be broken down into the following checks with the mnemonic ABCCD: