AD 2000-14-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Canada Model 407 | Airworthiness Directives; Bell Helicopter Textron Canada Model 407 Helicopters |
| aircraft | Bell | Helicopter Textron Canada Model 407 | Airworthiness Directives; Bell Helicopter Textron Canada Model 407 Helicopters |
Unsafe Condition
Tail rotor blades striking the tailboom, separation of the aft section of the tailboom with the tail rotor gearbox and vertical fin, 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
Install a pedal stop that limits the maximum distance the left pedal can travel. Adjust the rigging of the directional controls. Install an airspeed limitation placard covering the existing one. Install a redline at a Vne of 100 KIAS on all airspeed indicators. Revise the Limitations section of the Rotorcraft Flight Manual (RFM) with specific operational instructions. Mark the RFM and airspeed indicator to reflect the new Vne of 100 KIAS.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
Bell Helicopter Textron Canada Model 407 helicopters, certificated in any category.
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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