AD 89-10-11 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell Helicopter Textron Canada Limited | 206A | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC Model 206A and 206B Helicopters |
| aircraft | Bell Helicopter Textron Canada Limited | 206B | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC Model 206A and 206B Helicopters |
Unsafe Condition
Possible in-flight engine flameout due to snow ingestion into the engine air induction system during flight operations in falling and/or blowing snow, which could result in loss of the helicopter.
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Required Actions
Revise the Rotorcraft Flight Manual (RFM) and Rotorcraft Flight Manual Supplements (RFMS) to include requirements for installing specific engine air induction kits and deflector kits, and impose operational limitations such as 20-minute hover duration and minimum visibility of one-half statute mile in snow conditions.
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Compliance Time
Within the next 20 days after the effective date of this AD
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Affected Aircraft
Bell Helicopter Textron, Inc. Model 206A and 206B helicopters certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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