OWLS

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OWLS is a mnemonic used by general aviation airplane pilots to assess an unprepared surface for a precautionary landing. [1]

Like all mnemonics this check has become part of aviation culture and folklore.

OWLS: [1]

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References

  1. 1 2 Kaiser, John W.: How to Fly Book - Cessna 150, page 37. Victoria Flying Club, 1977.