AD 99-23-01

final rule
Data completeness: 70%

Airworthiness Directives; Robinson Helicopter Company (Robinson) Model R44 Helicopters

AD Number
99-23-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
99-SW-12-AD
FR Citation
Federal Register: November 03, 1999 (Volume 64, Number ??)

Applicability

TypeManufacturerModelDetails
aircraft Robinson Helicopter Company R44 Airworthiness Directives; Robinson Helicopter Company (Robinson) Model R44 Helicopters

Unsafe Condition

Use of a grip assembly (P/N A756-6, Revision A through N) that may crack, resulting in failure of the grip assembly 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 the grip assembly P/N A756-6, Revision A through N, and replace it with an airworthy grip assembly other than P/N A756-6, Revision A through N. Alternative methods of compliance may be approved by the FAA.

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

Compliance Time

Within 25 hours time-in-service or 30 calendar days, whichever occurs first.

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

Affected Aircraft

Robinson Model R44 helicopters, serial numbers 0001 through 0159, except S/N 0143, 0150, and 0156, with pilot's cyclic control grip assembly P/N A756-6, Revision N or prior.

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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