AD 60-23-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing Defense & Space Group | 42A | Airworthiness Directives; VERTOL Models 42 and 44 Series Helicopters |
| aircraft | Boeing Defense & Space Group | 42B | Airworthiness Directives; VERTOL Models 42 and 44 Series Helicopters |
| aircraft | Boeing Defense & Space Group | 44A | Airworthiness Directives; VERTOL Models 42 and 44 Series Helicopters |
| aircraft | Boeing Defense & Space Group | 44B | Airworthiness Directives; VERTOL Models 42 and 44 Series Helicopters |
Unsafe Condition
Fatigue failure of the lower directional bellcrank assembly, part number 22C1611-13.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Retire all Vertol parts P/N 22C1611-13 upon accumulation of 2,500 hours of time in service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Compliance required as indicated.
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Affected Aircraft
VERTOL Models 42A, 42B, 44A, 44B helicopters with part number 22C1611-13.
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Federal Register Abstract
Bellcrank Assembly Retirement
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_60-23-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 60-23-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; VERTOL Models 42 and 44 Series Helicopters Subject: Bellcrank Assembly Retirement Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/08/1960 Make: Boeing Defense & Space Group Model: 42A | 42B | 44A | 44B Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 60-23-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 60-23-05 SUBJECT HEADING: Airworthiness Directives; VERTOL Models 42 and 44 Series Helicopters ACTION: SUMMARY: DATES: Effective November 8, 1960. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 60-23-05 VERTOL: Amdt. 218 Part 507 Federal Register November 8, 1960. Applies to All 42 and 44 Series Helicopters. Compliance required as indicated. As a result of a recent fatigue failure of the lower directional bellcrank assembly, P/N 22C1611-13, all Vertol parts P/N 22C1611-13 must be retired upon the accumulation of 2,500 hours of time in service. This directive effective November 8, 1960. FOOTER:
Document Text
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AD Final Rules - DRS_60-23-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 60-23-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; VERTOL Models 42 and 44 Series Helicopters Subject: Bellcrank Assembly Retirement Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 11/08/1960 Make: Boeing Defense & Space Group Model: 42A | 42B | 44A | 44B 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: 60-23-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 60-23-05 SUBJECT HEADING: Airworthiness Directives; VERTOL Models 42 and 44 Series Helicopters ACTION: SUMMARY: DATES: Effective November 8, 1960. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 60-23-05 VERTOL: Amdt. 218 Part 507 Federal Register November 8, 1960. Applies to All 42 and 44 Series Helicopters. Compliance required as indicated. As a result of a recent fatigue failure of the lower directional bellcrank assembly, P/N 22C1611-13, all Vertol parts P/N 22C1611-13 must be retired upon the accumulation of 2,500 hours of time in service. This directive effective November 8, 1960. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.
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