AD 61-11-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Brantly International, Inc. | B-2 | Airworthiness Directives; All Brantly B-2 Helicopters |
| aircraft | Brantly International, Inc. | B-2A | Airworthiness Directives; All Brantly B-2 Helicopters |
| aircraft | Brantly International, Inc. | B-2B | Airworthiness Directives; All Brantly B-2 Helicopters |
Unsafe Condition
Failure in the skid landing gear drag brace rod end bearing (Kahr Bearing Co. P/N HE-3SFN) occurred during ground handling resulting in collapse of the landing gear through the area of the lubrication fitting.
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Required Actions
Check the shoulder dimension of the two Kahr P/N HE-3SFN rod end bearings at the forward ends of the Brantly P/N B2-259-1 and B2-259-2 landing gear drag struts. If the dimension is less than 0.5 inch, replace the part before further flight with a new bearing Brantly P/N B2-259-11 or FAA approved equivalent.
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Compliance Time
within the next 10 hours' time in service after effective date of this directive
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Affected Aircraft
Brantly International, Inc. B-2, B-2A, B-2B helicopters
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Federal Register Abstract
Landing Gear Drag Brace
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_61-11-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 61-11-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; All Brantly B-2 Helicopters Subject: Landing Gear Drag Brace Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/31/1961 Make: Brantly International, Inc. Model: B-2 | B-2A | B-2B Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 61-11-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 61-11-01 SUBJECT HEADING: Airworthiness Directives; All Brantly B-2 Helicopters ACTION: SUMMARY: DATES: Effective May 31, 1961. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 61-11-01 BRANTLY: Amdt. 288 Part 507 Federal Register May 23, 1961. Applies to All B-2 Helicopters. Compliance required within the next 10 hours' time in service after effective date of this directive. A failure in the skid landing gear drag brace rod end bearing (Kahr Bearing Co. P/N HE-3SFN) occurred during ground handling resulting in collapse of the landing gear. This failure occurred through the area of the lubrication fitting. To preclude the possibility of additional failures, check the shoulder dimension of the two (2) Kahr P/N HE-3SFN rod end bearings at the forward ends of the Brantly P/N B2-259-1 and B2-259-2 landing gear drag struts. If the dimension shown in the sketch is less than 0.5 inch, the part must be replaced before further flight with a new bearing, Brantly P/N B2-259-11, or an FAA approved equivalent. (Brantly Service Bulletin No. 11 covers this subject. NOTE: Service Bulletin No. 11 refers to P/N B2-259-11 as "new type.") This directive effective May 31, 1961. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_61-11-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 61-11-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; All Brantly B-2 Helicopters Subject: Landing Gear Drag Brace Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/31/1961 Make: Brantly International, Inc. Model: B-2 | B-2A | B-2B 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: 61-11-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 61-11-01 SUBJECT HEADING: Airworthiness Directives; All Brantly B-2 Helicopters ACTION: SUMMARY: DATES: Effective May 31, 1961. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 61-11-01 BRANTLY: Amdt. 288 Part 507 Federal Register May 23, 1961. Applies to All B-2 Helicopters. Compliance required within the next 10 hours' time in service after effective date of this directive. A failure in the skid landing gear drag brace rod end bearing (Kahr Bearing Co. P/N HE-3SFN) occurred during ground handling resulting in collapse of the landing gear. This failure occurred through the area of the lubrication fitting. To preclude the possibility of additional failures, check the shoulder dimension of the two (2) Kahr P/N HE-3SFN rod end bearings at the forward ends of the Brantly P/N B2-259-1 and B2-259-2 landing gear drag struts. If the dimension shown in the sketch is less than 0.5 inch, the part must be replaced before further flight with a new bearing, Brantly P/N B2-259-11, or an FAA approved equivalent. (Brantly Service Bulletin No. 11 covers this subject. NOTE: Service Bulletin No. 11 refers to P/N B2-259-11 as "new type.") This directive effective May 31, 1961. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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