AD 2004-18-01
Unsafe Condition
A blade separating from either a model HO-V343 or HO-V343K propeller, potentially due to propeller hub failure and blade separation from an unknown root cause.
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Required Actions
Initial and repetitive visual inspections of propeller blades for blade shake and blade nut preload. Initial and repetitive eddy current inspections of blade hubs for damage or cracks.
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Compliance Time
Within 50 flight hours after the effective date of this AD.
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Affected Aircraft
Hoffmann Propeller GmbH & Co KG models HO-V343 and HO-V343K propellers installed on general aviation airplanes, possibly having an FAA-approved Supplemental Type Certificate.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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