AD 2012-26-06

final rule
Data completeness: 70%

Airworthiness Directives; Sikorsky Aircraft-Manufactured Model S-64F Helicopters

AD Number
2012-26-06
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2012-0689
FR Citation
78 FR 15599

Applicability

TypeManufacturerModelDetails
aircraft Sikorsky Aircraft-Manufactured Model S-64F Airworthiness Directives; Sikorsky Aircraft-Manufactured Model S-64F Helicopters

Unsafe Condition

A fatigue crack in a flight critical component, which could result in component failure from static overload and subsequent loss of control of the helicopter.

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

Required Actions

Remove from service any part with a number of hours time-in-service (TIS) equal to or greater than the part's retirement life as stated in the provided table. Replace the specified components as necessary.

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

Compliance Time

Before further flight

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Affected Aircraft

Sikorsky Aircraft Corporation-manufactured Model S-64F helicopters, now under the Erickson Air-Crane Incorporated Model S-64F type certificate, certificated in any category.

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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