AD 94-16-04

final rule
Data completeness: 70%

Airworthiness Directives; Schweizer Aircraft Corporation and Hughes Helicopters, Inc. Model 269A, 269A-1, 269B, 269C, and TH55A Series Helicopters

AD Number
94-16-04
Status
final_rule
Effective Date
Product Category
aircraft
Docket
93-SW-05-AD
FR Citation
Federal Register: August 31, 1994 (Volume 59, Number 168)

Applicability

TypeManufacturerModelDetails
aircraft Schweizer Aircraft Corporation 269A Airworthiness Directives; Schweizer Aircraft Corporation and Hughes Helicopters, Inc. Model 269A, 269A-1, 269B, 269C, and TH55A Series Helicopters
aircraft Schweizer Aircraft Corporation 269A-1 Airworthiness Directives; Schweizer Aircraft Corporation and Hughes Helicopters, Inc. Model 269A, 269A-1, 269B, 269C, and TH55A Series Helicopters
aircraft Schweizer Aircraft Corporation 269B Airworthiness Directives; Schweizer Aircraft Corporation and Hughes Helicopters, Inc. Model 269A, 269A-1, 269B, 269C, and TH55A Series Helicopters
aircraft Schweizer Aircraft Corporation 269C Airworthiness Directives; Schweizer Aircraft Corporation and Hughes Helicopters, Inc. Model 269A, 269A-1, 269B, 269C, and TH55A Series Helicopters

Unsafe Condition

Failure of the tail rotor pedal support structure due to missing or damaged tail rotor pedal bulkhead gussets and loose or missing gusset rivets, which could result in loss of tail rotor control 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

Conduct a visual inspection within 100 hours' time-in-service after the effective date to detect missing or cracked gussets, elongated rivet holes, and loose or missing rivets. Install missing gussets, replace cracked or damaged gussets with elongated rivet holes, and install new rivets as required before further flight, following Schweizer Service Bulletin B-247.

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

Compliance Time

Within 100 hours' time-in-service after the effective date of this AD

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

Affected Aircraft

Schweizer Aircraft Corporation and Hughes Helicopters, Inc. Model 269A, 269A-1, 269B, 269C, and TH55A series helicopters, 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 8, 2026

Rights: U.S. Government Public Domain

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