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]

• Height
• Area
• Security
• Engine
• Lookout

or alternatively:^[2]

• Height
• Airframe
• Security
• Engine
• Location
• Lookout

HASELL is often abbreviated to HELL for any subsequent manoeuvres.

References

1. ↑ 1.0 1.1 Kaiser, John W.: How to Fly Book - Cessna 150, page 37. Victoria Flying Club, 1977.
2. ↑ CAA NZ Flight Instructor Guide: Basic Stalling Retrieved 14 December 2011