AD 78-21-02

final rule
Data completeness: 70%

Airworthiness Directives; Bell Model 204B, 205A, 205A-1 and 212 Helicopters

AD Number
78-21-02
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Bell Helicopter Textron, Inc. 204B Airworthiness Directives; Bell Model 204B, 205A, 205A-1 and 212 Helicopters
aircraft Bell Helicopter Textron, Inc. 205A Airworthiness Directives; Bell Model 204B, 205A, 205A-1 and 212 Helicopters
aircraft Bell Helicopter Textron, Inc. 205A-1 Airworthiness Directives; Bell Model 204B, 205A, 205A-1 and 212 Helicopters
aircraft Bell Helicopter Textron, Inc. 212 Airworthiness Directives; Bell Model 204B, 205A, 205A-1 and 212 Helicopters

Unsafe Condition

The Chadwick, Inc. load cell link assembly P/N 47-40200-19 may fail during external-load operations over congested or densely populated areas.

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

Required Actions

Replace Chadwick, Inc. load cell link assembly P/N 47-40200-19 with parts approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Northwest Region.

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

Compliance Time

Prior to further flight involving external-load operations over congested or densely populated areas

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

Affected Aircraft

Bell Helicopter Textron, Inc. Models 204B, 205A, 205A-1, and 212 modified by Chadwick, Inc. STC's SH149WE or SH17NW.

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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