AD 91-03-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Bell Helicopter Textron Canada Limited | 206A | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 206A, 206B, 206L, 206L-1, and 206L-3 Helicopters |
| aircraft | Bell Helicopter Textron Canada Limited | 206B | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 206A, 206B, 206L, 206L-1, and 206L-3 Helicopters |
| aircraft | Bell Helicopter Textron Canada Limited | 206L | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 206A, 206B, 206L, 206L-1, and 206L-3 Helicopters |
| aircraft | Bell Helicopter Textron Canada Limited | 206L-1 | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 206A, 206B, 206L, 206L-1, and 206L-3 Helicopters |
| aircraft | Bell Helicopter Textron Canada Limited | 206L-3 | Airworthiness Directives; BELL HELICOPTER TEXTRON, INC. (BHTI) Model 206A, 206B, 206L, 206L-1, and 206L-3 Helicopters |
Unsafe Condition
Unequal float inflation which could result in aircraft rollover and impede emergency egress after an emergency water landing.
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Required Actions
Inspect each float bag to determine if any square body, brass type inflation valves, part numbers 222-336-101-19 or -23 are installed. If found, install an appropriate flow restrictor in accordance with the instructions in Appendix I or II of this AD depending on the model. An alternative method of compliance may be used if approved by the Manager, Rotorcraft Certification Office.
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Compliance Time
within the next 100 hours' time in service after the effective date of this AD or upon installation of float bags from spares, unless already accomplished
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Affected Aircraft
Bell Helicopter Textron Canada Limited Model 206A, 206B, 206L, 206L-1, and 206L-3 helicopters equipped with emergency float bags part numbers 206-050-248-107, -109, and -111 manufactured prior to September 1, 1989.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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