H.A.S.E.L. check is commonly used in  general aviation before starting any air maneuvers like slow flight, spins, stalls, and spiral dives.

The purpose of the H.A.S.E.L. check is to ensure that the aircraft is in a safe condition for the intended maneuvers and that the pilot has taken all necessary precautions to avoid potential hazards.

H.A.S.E.L. Check - HASEL Check

HASEL CHECK

H.A.S.E.L. stands for:

  • H – Height – The pilot checks the altitude and determines the minimum safe altitude for the intended maneuvers.
  • A – Area – The pilot inspects the aircraft’s airframe to ensure that it is free from damage or defects that could affect the aircraft’s ability to perform the intended maneuvers.
  • S – Security – The pilot secures all loose items in the cockpit and ensures that all occupants are securely fastened with seat belts.
  • E – Engine – The pilot checks the engine instruments to ensure that the engine is functioning properly and that there are no indications of failure or malfunction.
  • L – Lookout – The pilot scans the surrounding area for other aircraft, obstacles, and hazards that could pose a threat during the intended maneuvers.

Depending on the maneuver, the pilot will also perform what is called “Clearing Turns“.  These consists of either a full 360-degree turn or 2 X 180-degree turns to further ensure that your intended flight area is clear before performing the designated maneuver.

By performing a H.A.S.E.L. check prior to performing any maneuver, the pilot can help minimize the risk of accidents or incidents and ensure that their flight is as safe as possible.

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