AD 2000-08-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Robinson | Helicopter Company Model R44 | Airworthiness Directives; Robinson Helicopter Company Model R44 Helicopters |
Unsafe Condition
Sprag clutch failures, including cracked or fractured sprag ends, leading to loss of main rotor RPM during autorotation and subsequent loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace sprag clutch, P/N C188-3, S/N 0003 through 0505, inclusive, with sprag clutch, P/N C188-3, S/N 0506 or higher. Remove the Special Pilot Caution from the Rotorcraft Flight Manual as specified.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 30 calendar days or 50 hours time-in-service, whichever occurs first.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Robinson Helicopter Company Model R44 helicopters, serial number (S/N) 0001 through 0541, inclusive, 0543, 0550, 0556, and 0565, with sprag clutch, P/N C188-3, S/N 0003 through 0505, inclusive, installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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