Course Name

Quarter Turn Fasteners and Aircraft Accidents - No Way!

FAASafety Wings Course

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  • Wings / General Knowledge

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About this FAASafety Wings Course

The engine cowl system consists of engine nacelle cowl doors, inlets, exhausts, and thrust reverser elements that utilize quarter-turn fasteners to secure one component to another.

Several incidents of engine cowl damage and resulting separations have occurred across the nation. The separation incidents resulted in damage to the airplane, and some have marginally affected aircraft handling capabilities. Several of these have been from missing, improper installation, or not secured quarter turn fasteners. 


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