AD 98-11-14

final rule
Data completeness: 70%

Airworthiness Directives; Bell Helicopter Textron, Inc. Model 205A-1 and 205B Helicopters

AD Number
98-11-14
Status
final_rule
Effective Date
Product Category
aircraft
Docket
98-SW-21-AD
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Bell Helicopter Textron, Inc. 205A-1 Airworthiness Directives; Bell Helicopter Textron, Inc. Model 205A-1 and 205B Helicopters
aircraft Bell Helicopter Textron, Inc. 205B Airworthiness Directives; Bell Helicopter Textron, Inc. Model 205A-1 and 205B Helicopters

Unsafe Condition

Failure of the tail rotor yoke assembly due to unforeseen static and dynamic loading, leading to loss of the tail rotor and subsequent loss of control of the helicopter.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Inspect the trunnion assembly or tail rotor flapping stop, install an airworthy trunnion assembly or flapping stop if necessary, and replace the tail rotor yoke. Replace the yoke within 180 calendar days if no excessive bending load event occurred, and thereafter inspect at intervals not exceeding 25 hours time-in-service or after incidents imposing excessive bending loads.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Bell Helicopter Textron, Inc. Model 205A-1 and 205B helicopters with tail rotor yoke assembly part numbers 212-011-702-all dash numbers or 212-010-704-all dash numbers.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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