AD 85-07-06

final rule

Airworthiness Directives; WESTLAND HELICOPTERS LIMITED Model 30 Helicopters

AD Number
85-07-06
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.
Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system

Applicability

TypeManufacturerModelDetails
aircraft Westland Helicopters Limited Westland 30 Series 100 Airworthiness Directives; WESTLAND HELICOPTERS LIMITED Model 30 Helicopters
aircraft Westland Helicopters Limited Westland 30 Series 100-60 Airworthiness Directives; WESTLAND HELICOPTERS LIMITED Model 30 Helicopters

Unsafe Condition

Cracking of the main rotor blade sleeve tie-bar pin and possible loss of a main rotor blade

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

Required Actions

Remove tie-bar pins before further flight. An equivalent method of compliance may be used when approved by the Manager of the Brussels Aircraft Certification Office. Special flight permits may be issued under FAR Sections 21.197 and 21.199 for ferrying to a maintenance base.

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

Compliance Time

Within 50 hours time in service after the effective date of this AD or prior to attaining 500 hours total time in service, whichever occurs later

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

Affected Aircraft

Westland Helicopters Limited Model 30 helicopters equipped with main rotor tie-bar pin Part Number WK 3069-0020-101 or WK 3069-0016-101

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

Federal Register Abstract

Main Rotor Tie-Bar Pin

Applicability Source Text

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AD Number:
85-07-06
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; WESTLAND HELICOPTERS LIMITED Model 30 Helicopters
Subject:
Main Rotor Tie-Bar Pin
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
04/09/1985
Make:
Westland Helicopters Limited
Model:
Westland 30 Series 100 | Westland 30 Series 100-60
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Superseded AD: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Superseded By: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:
Updated RGL applicability to match AD applicability; CAR C-11-185
AIRWORTHINESS DIRECTIVES FINAL RULES: 85-07-06
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-5019

AD NUMBER:   85-07-06

SUBJECT HEADING:   Airworthiness Directives; WESTLAND HELICOPTERS LIMITED Model 30 Helicopters

ACTION:  

SUMMARY:  

DATES:   Effective April 9, 1985.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
85-07-06 WESTLAND HELICOPTERS LIMITED: Amendment 39-5019. Applies to Westland 30 helicopters certificated in all categories that are equipped with main rotor tie-bar pin Part Number (P/N) WK 3069-0020-101 or WK 3069-0016-101.

Compliance is required as indicted, unless already accomplished.

To prevent cracking of the main rotor blade sleeve tie-bar pin and possible loss of a main rotor blade, accomplish the following:

(a) Within 50 hours time in service after the effective date of this AD or prior to attaining 500 hours total time in service, whichever occurs later, remove tie-bar pins before further flight.

(b) An equivalent method of compliance with this AD may be used when approved by the Manager of the Brussels Aircraft Certification Office, Brussels, Belgium.

(c) Special flight permits may be issued in accordance with FAR Sections 21.197 and 21.199 to ferry aircraft to a maintenance base in order to comply with the requirements of this AD.

Alert Service Bulletin W30-05-A38, Rev. 1 dated February 26, 1985, pertains to this subject.
This amendment becomes effective April 9, 1985.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_85-07-06.html
Copy URL
Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
85-07-06
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; WESTLAND HELICOPTERS LIMITED Model 30 Helicopters
Subject:
Main Rotor Tie-Bar Pin
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
04/09/1985
Make:
Westland Helicopters Limited
Model:
Westland 30 Series 100 | Westland 30 Series 100-60
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:
Updated RGL applicability to match AD applicability; CAR C-11-185
AIRWORTHINESS DIRECTIVES FINAL RULES: 85-07-06
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-5019

AD NUMBER:   85-07-06

SUBJECT HEADING:   Airworthiness Directives; WESTLAND HELICOPTERS LIMITED Model 30 Helicopters

ACTION:  

SUMMARY:  

DATES:   Effective April 9, 1985.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
85-07-06 WESTLAND HELICOPTERS LIMITED: Amendment 39-5019. Applies to Westland 30 helicopters certificated in all categories that are equipped with main rotor tie-bar pin Part Number (P/N) WK 3069-0020-101 or WK 3069-0016-101.

Compliance is required as indicted, unless already accomplished.

To prevent cracking of the main rotor blade sleeve tie-bar pin and possible loss of a main rotor blade, accomplish the following:

(a) Within 50 hours time in service after the effective date of this AD or prior to attaining 500 hours total time in service, whichever occurs later, remove tie-bar pins before further flight.

(b) An equivalent method of compliance with this AD may be used when approved by the Manager of the Brussels Aircraft Certification Office, Brussels, Belgium.

(c) Special flight permits may be issued in accordance with FAR Sections 21.197 and 21.199 to ferry aircraft to a maintenance base in order to comply with the requirements of this AD.

Alert Service Bulletin W30-05-A38, Rev. 1 dated February 26, 1985, pertains to this subject.
This amendment becomes effective April 9, 1985.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

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