AD 2012-08-01

final rule
Data completeness: 70%

Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters

AD Number
2012-08-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2011-1115
FR Citation
77 FR 23382

Applicability

TypeManufacturerModelDetails
aircraft Sikorsky Aircraft Corporation Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters

Unsafe Condition

Inaccurate above specification engine power margin data, which could result in the use of inaccurate engine performance data in calculating maximum gross weight.

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

Required Actions

Insert the limitation 'Performance credit for above specification engine power margin is prohibited' into the Operating Limitations section of the Rotorcraft Flight Manuals (RFMs) for affected helicopters. If the RFM already contains the specified revisions with correct performance charts, the insertion is not required.

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

Compliance Time

Within 90 days

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

Affected Aircraft

Sikorsky Aircraft Corporation Model S-92A helicopters, certificated in any category, with RFMs S92A-RFM-002, -003, -004, -005, and -006.

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

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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