AD 71-08-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell Helicopter Textron Canada Limited | 206A | Airworthiness Directives; Bell Model 206A-1 and 206A Helicopters |
| aircraft | Bell Helicopter Textron Canada Limited | 206A-1 (OH-58A) | Airworthiness Directives; Bell Model 206A-1 and 206A Helicopters |
Unsafe Condition
Power interruption caused by ingestion into the engine of snow or ice which may have accumulated in the engine inlet during flight.
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Required Actions
Install a placard stating 'FLIGHT INTO FALLING OR BLOWING SNOW IS NOT PERMITTED' or modify the particle separator system as per Bell Service Instruction No. 206-89 and update flight manuals with revised pages.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight in snow, but no later than 25 hours time in service after the effective date of this airworthiness directive.
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Affected Aircraft
Bell Model 206A-1 helicopters, serial numbers 39998 through 40994 and all Model 206A helicopters equipped with Particle Separator Kit P/N 206-706-201-1 or P/N 206-706-200-1.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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