AD 2011-16-04

final rule
Data completeness: 70%

Airworthiness Directives; Sikorsky Aircraft Corporation (Sikorsky) Model S-92A Helicopters

AD Number
2011-16-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2011-0792
FR Citation
76 FR 66615

Applicability

TypeManufacturerModelDetails
aircraft Sikorsky S-92A Airworthiness Directives; Sikorsky Aircraft Corporation (Sikorsky) Model S-92A Helicopters

Unsafe Condition

Actuators manufactured with down-lock keys that do not meet the specified minimum hardness requirements, which could lead to a landing gear collapse following a roll-on landing that exceeds 50 knots groundspeed.

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

Required Actions

Insert temporary revisions into the Limitations section of the Rotorcraft Flight Manual (RFM) limiting the maximum rolling groundspeed for a normal landing or takeoff to 50 knots. Replace the affected actuator with a modified actuator before further flight or towing operation if the landing exceeds 50 knots groundspeed.

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

Compliance Time

Before further flight or towing operation if the landing exceeds 50 knots groundspeed.

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

Affected Aircraft

Sikorsky Aircraft Corporation Model S-92A helicopters with a certain serial-numbered landing gear retract actuator installed.

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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