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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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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