Unstabilized approach

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An unstabilized approach is an approach during which an aircraft does not maintain at least one of the following variables stable: speed, descent rate, vertical/lateral flight path and in landing configuration, or receive a landing clearance by a certain altitude. Unstabilized approaches account for most approach and landing accidents. For this reason, an approach should be stabilized by 1,000 feet (305 m) above runway altitude. Otherwise, a go-around should be executed by the pilot.

For example, the 2016 Magdalen Islands Mitsubishi MU-2 crash was blamed on an unstabilized approach. [1]

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Scandinavian Airlines System Flight 933 aviation accident

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References

  1. TSB identifies unstable approach as key factor in 2016 fatal accident of Mitsubishi MU-2 aircraft in Îles-de-la-Madeleine, Quebec