AD Amdt-39-9165
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Robinson | Helicopter Company Model R44 | Airworthiness Directives; Robinson Helicopter Company Model R44 Helicopters |
Unsafe Condition
Main rotor (M/R) stalls or mast bumping could result in M/R blades contacting the fuselage, causing failure of the M/R system 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
Revise the Limitations, Normal Procedures, and Emergency Procedures sections of the R44 Rotorcraft Flight Manual to include operational limits in high winds and turbulence, information on M/R stalls and mast bumping, and emergency procedures to avoid these situations. Clarify revised sections, remove compliance recording reference, and add prohibition on special flight permits before AD compliance.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Robinson Helicopter Company Model R44 helicopters with Rotorcraft Flight Manual revised September 6, 1994.
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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