AD 99-26-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Kaman Aerospace Corporation | K-1200 | Airworthiness Directives; Kaman Aerospace Corporation Model K1200 Helicopters |
Unsafe Condition
Failure of the engine adapter flange and loss of power to the main rotors due to internal transmission clutch damage.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the clutch assembly's integrity before the first flight of each day by rotating the Kaflex shaft. Replace any unairworthy clutch assembly with an airworthy one before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before the first flight of each day
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Affected Aircraft
Kaman Aerospace Corporation Model K-1200 helicopters with clutch assembly part number K974002-701 installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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