AD 82-16-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell Helicopter Textron Canada Limited | 206 | Airworthiness Directives; BELL Model 206 Helicopters |
Unsafe Condition
Failure of the auxiliary fuel transfer pump could result in a decrease in usable auxiliary fuel, leading to potential fuel starvation and subsequent engine failure.
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Required Actions
Install a placard limiting usable auxiliary fuel to half the auxiliary tanks' capacity within 30 days after the effective date. Within 300 hours time-in-service or 6 months from the effective date, install the C-22-FM Flow Monitoring Kit. Incorporate the revised Flight Manual Supplement into the Rotorcraft Flight Manual.
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Compliance Time
Within 30 days after the effective date of this AD for the placard installation and within 300 hours time-in-service or 6 months from the effective date, whichever occurs first, for the C-22-FM Flow Monitoring Kit installation.
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Affected Aircraft
Bell Helicopter Textron Canada Limited Model 206 helicopters with Chadwick C-22 Auxiliary Fuel System installed per Supplemental Type Certificate SH139WE.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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