Document Type

Article

Publication Date

5-1-2021

City

Corvallis

State

OR

Abstract

Twin-engine propeller aircraft accidents occur for many reasons including misidentifying a failed engine. Pilots learn to use a procedure called dead leg-dead engine to identify the failed engine; however, misidentification of the failed engine still occurs, questioning the effectiveness of this procedure. Two surveys were created. Survey 1 was completed by 49 airline pilots operating twin-engine turboprop aircraft; Survey 2 was completed by 22 instructor pilots operating twin-engine piston aircraft. Survey 1: Average flight time was 6,230 hours. Approximately 19% of respondents reported using the Engine-Out procedure at least once. Twenty-nine percent agreed that there could be a better method for failed engine identification. Survey 2: Average flight time was 420 hours. Half of respondents reported using the Engine-Out procedure at least once. Fourteen percent agreed that there could be a better method for failed engine identification. Forty percent of all respondents who suggested improvements recommended adding a visual indicator.


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