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.

[1] The HASEL acronym stands for:[1] or alternatively:[2][3] 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:[3]