AD 78-21-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| 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.
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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.
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Compliance Time
Prior to further flight involving external-load operations over congested or densely populated areas
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Affected Aircraft
Bell Helicopter Textron, Inc. Models 204B, 205A, 205A-1, and 212 modified by Chadwick, Inc. STC's SH149WE or SH17NW.
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Federal Register Abstract
External Load Link Assembly
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_78-21-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-21-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Bell Model 204B, 205A, 205A-1 and 212 Helicopters Subject: External Load Link Assembly Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/12/1978 Make: Bell Helicopter Textron, Inc. Model: 204B | 205A | 205A-1 | 212 Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 78-21-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3317 AD NUMBER: 78-21-02 SUBJECT HEADING: Airworthiness Directives; Bell Model 204B, 205A, 205A-1 and 212 Helicopters ACTION: SUMMARY: DATES: Effective October 12, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-21-02 BELL: Amendment 39-3317. Applies to all Bell Helicopter Models 204B, 205A, 205A-1, and 212 modified by Chadwick, Inc., STC's SH149WE or SH17NW. Prior to further flight involving external-load operations over congested or densely populated areas, 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. This amendment is effective October 12, 1978, and was effective earlier for all recipients of the airmail letter dated September 18, 1978, which contained this amendment. FOOTER:
Document Text
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AD Final Rules - DRS_78-21-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-21-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Bell Model 204B, 205A, 205A-1 and 212 Helicopters Subject: External Load Link Assembly Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/12/1978 Make: Bell Helicopter Textron, Inc. Model: 204B | 205A | 205A-1 | 212 Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 78-21-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3317 AD NUMBER: 78-21-02 SUBJECT HEADING: Airworthiness Directives; Bell Model 204B, 205A, 205A-1 and 212 Helicopters ACTION: SUMMARY: DATES: Effective October 12, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-21-02 BELL: Amendment 39-3317. Applies to all Bell Helicopter Models 204B, 205A, 205A-1, and 212 modified by Chadwick, Inc., STC's SH149WE or SH17NW. Prior to further flight involving external-load operations over congested or densely populated areas, 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. This amendment is effective October 12, 1978, and was effective earlier for all recipients of the airmail letter dated September 18, 1978, which contained this amendment. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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