Propellers

Editorial Staff

Wednesday, June 17, 2020 at 11:20 AM ET

Verified

** Illustration by Chris Gall**

Key Takeaways:

Propeller malfunctions across various aircraft included excessive vibration, feathering failure, and complete in-flight departure, sometimes requiring emergency landings.
Contributing factors ranged from material defects such as corrosion, stripped threads, and hydrogen embrittlement to maintenance errors like improper balancing, unlogged work, and incorrect safety wiring.
The incidents underscore the critical need for meticulous inspection and adherence to proper maintenance procedures for propeller assemblies to prevent serious safety hazards.

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