AD 2001-20-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron | Canada Model 206L-4 | Airworthiness Directives; Bell Helicopter Textron Canada Model 206L-4 Helicopters |
| aircraft | Bell | Helicopter Textron Canada Model 206L-4 | Airworthiness Directives; Bell Helicopter Textron Canada Model 206L-4 Helicopters |
Unsafe Condition
A tail rotor yoke with a high altitude rotor system is susceptible to static and dynamic overload. Static overload could occur after the tail rotor yoke sustains an excessive bending load due to a strike from a ground vehicle. Dynamic overload could occur as a result of a hard landing.
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Required Actions
Within 100 hours time-in-service, install a high altitude tail rotor static stop yield indicator, P/N 206-011-752-101. Before each engine start, check the indicator for damage. If damage is found, replace the damaged indicator and the tail rotor yoke with airworthy parts before further flight.
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Compliance Time
Within 100 hours time-in-service
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Affected Aircraft
Bell Helicopter Textron Canada Model 206L-4 helicopters with High Altitude Tail Rotor Kit, part number (P/N) 206-704-722-101 (BHT-206-SI-2054), installed, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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