AD 84-15-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sikorsky Aircraft Corporation | S-76A | Airworthiness Directives; SIKORSKY AIRCRAFT DIVISION Model S-76A Helicopters |
Unsafe Condition
Loss of control of the helicopter due to tail rotor control cable failure.
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Required Actions
Install a tail rotor controls centering quadrant in accordance with Sikorsky Customer Service Notice No. 76-133, Revision A, dated November 10, 1983, or FAA-approved equivalent.
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Compliance Time
within 30 days after the effective date of this AD unless already accomplished
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Affected Aircraft
Sikorsky Model S-76A helicopters, certificated in all categories
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Federal Register Abstract
Tail Rotor Controls
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_84-15-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 84-15-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; SIKORSKY AIRCRAFT DIVISION Model S-76A Helicopters Subject: Tail Rotor Controls Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/03/1984 Make: Sikorsky Aircraft Corporation Model: S-76A Product Type: Aircraft Product Subtype: Rotorcraft Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 84-15-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4893 AD NUMBER: 84-15-04 SUBJECT HEADING: Airworthiness Directives; SIKORSKY AIRCRAFT DIVISION Model S-76A Helicopters ACTION: SUMMARY: DATES: Effective August 3, 1984. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 84-15-04 SIKORSKY AIRCRAFT DIVISION: Amendment 39-4893. Applies to all Sikorsky Model S-76A helicopters, certificated in all categories. Compliance is required within 30 days after the effective date of this AD unless already accomplished. To prevent loss of control of the helicopter due to tail rotor control cable failure, accomplish the following: Unless already accomplished, install a tail rotor controls centering quadrant in accordance with Sikorsky Customer Service Notice No. 76-133, Revision A, dated November 10, 1983, or FAA-approved equivalent. Upon submission of substantiating data by an owner or operator through an FAA maintenance inspector, the compliance time of this AD may be adjusted and/or an equivalent method of compliance may be approved upon request to the Manager, Boston Aircraft Certification Office, 12 New England Executive Park, Burlington, Massachusetts 01803, telephone (617) 273-7118. This amendment becomes effective August 3, 1984. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_84-15-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 84-15-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; SIKORSKY AIRCRAFT DIVISION Model S-76A Helicopters Subject: Tail Rotor Controls Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/03/1984 Make: Sikorsky Aircraft Corporation Model: S-76A 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: 84-15-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-4893 AD NUMBER: 84-15-04 SUBJECT HEADING: Airworthiness Directives; SIKORSKY AIRCRAFT DIVISION Model S-76A Helicopters ACTION: SUMMARY: DATES: Effective August 3, 1984. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 84-15-04 SIKORSKY AIRCRAFT DIVISION: Amendment 39-4893. Applies to all Sikorsky Model S-76A helicopters, certificated in all categories. Compliance is required within 30 days after the effective date of this AD unless already accomplished. To prevent loss of control of the helicopter due to tail rotor control cable failure, accomplish the following: Unless already accomplished, install a tail rotor controls centering quadrant in accordance with Sikorsky Customer Service Notice No. 76-133, Revision A, dated November 10, 1983, or FAA-approved equivalent. Upon submission of substantiating data by an owner or operator through an FAA maintenance inspector, the compliance time of this AD may be adjusted and/or an equivalent method of compliance may be approved upon request to the Manager, Boston Aircraft Certification Office, 12 New England Executive Park, Burlington, Massachusetts 01803, telephone (617) 273-7118. This amendment becomes effective August 3, 1984. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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