AD 75-17-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus Helicopters Deutschland GmbH | BO-105A | Airworthiness Directives; Messerschmitt-Bolkow-Blohm (MBB) Models BO-105A and BO-105C Helicopters |
| aircraft | Airbus Helicopters Deutschland GmbH | BO-105C | Airworthiness Directives; Messerschmitt-Bolkow-Blohm (MBB) Models BO-105A and BO-105C Helicopters |
Unsafe Condition
Failure of the tail rotor blade tip cap
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Required Actions
Inspect tail rotor blades for condition, modify as prescribed, and return to service in accordance with MBB BO-105 Service Bulletin No. 30-8 or an equivalent approved by the FAA.
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Compliance Time
within the next 100 hours' time in service after the effective date of this AD
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Affected Aircraft
Messerschmitt-Bolkow-Blohm (MBB) Models BO-105A and BO-105C helicopters, incorporating tail rotor blade P/N 105-31742, Serial Numbers 548 and lower
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Federal Register Abstract
Tail Rotor Blade Tip Cap
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_75-17-13.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-17-13 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Messerschmitt-Bolkow-Blohm (MBB) Models BO-105A and BO-105C Helicopters Subject: Tail Rotor Blade Tip Cap Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/18/1975 Make: Airbus Helicopters Deutschland GmbH Model: BO-105A | BO-105C Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 75-17-13 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2315 AD NUMBER: 75-17-13 SUBJECT HEADING: Airworthiness Directives; Messerschmitt-Bolkow-Blohm (MBB) Models BO-105A and BO-105C Helicopters ACTION: SUMMARY: DATES: Effective August 18, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-17-13 MESSERSCHMITT-BOLKOW-BLOHM.: Amendment 39-2315. Applies to Messerschmitt-Bolkow-Blohm (MBB) Models BO-105A and BO-105C helicopters, certificated in all categories, incorporating tail rotor blade P/N 105-31742, Serial Numbers 548 and lower. Compliance is required within the next 100 hours' time in service after the effective date of this AD, unless already accomplished in accordance with MBB BO-105 Service Bulletin No. 30-8. To prevent failure of the tail rotor blade tip cap, inspect tail rotor blades for condition, modify as prescribed, and return to service, in accordance with paragraph 2 of MBB BO-105 Service Bulletin No. 30-8, dated July 5, 1974, or an equivalent approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa, and Middle East Region. This amendment becomes effective August 18, 1975. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_75-17-13.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-17-13 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Messerschmitt-Bolkow-Blohm (MBB) Models BO-105A and BO-105C Helicopters Subject: Tail Rotor Blade Tip Cap Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/18/1975 Make: Airbus Helicopters Deutschland GmbH Model: BO-105A | BO-105C 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: 75-17-13 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2315 AD NUMBER: 75-17-13 SUBJECT HEADING: Airworthiness Directives; Messerschmitt-Bolkow-Blohm (MBB) Models BO-105A and BO-105C Helicopters ACTION: SUMMARY: DATES: Effective August 18, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-17-13 MESSERSCHMITT-BOLKOW-BLOHM.: Amendment 39-2315. Applies to Messerschmitt-Bolkow-Blohm (MBB) Models BO-105A and BO-105C helicopters, certificated in all categories, incorporating tail rotor blade P/N 105-31742, Serial Numbers 548 and lower. Compliance is required within the next 100 hours' time in service after the effective date of this AD, unless already accomplished in accordance with MBB BO-105 Service Bulletin No. 30-8. To prevent failure of the tail rotor blade tip cap, inspect tail rotor blades for condition, modify as prescribed, and return to service, in accordance with paragraph 2 of MBB BO-105 Service Bulletin No. 30-8, dated July 5, 1974, or an equivalent approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa, and Middle East Region. This amendment becomes effective August 18, 1975. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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