AD 2021-10-01

final rule
Data completeness: 70%

Airworthiness Directives; Leonardo S.p.a. Helicopters

AD Number
2021-10-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2021-0344
FR Citation
86 FR 26833

Applicability

TypeManufacturerModelDetails
aircraft Leonardo S.p.a. Airworthiness Directives; Leonardo S.p.a. Helicopters

Unsafe Condition

false simultaneous in-flight disengagement of automatic flight control system (AFCS) channels 1 and 2, resulting from the activation of specific AFCS modes combined with the unavailability of hybrid ground speed data at take-off.

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

Required Actions

temporarily revising the existing Rotorcraft Flight Manual (RFM) for your helicopter, installing an AFCS software upgrade, and concurrently removing that RFM revision.

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

Leonardo S.p.a. Model AW169 helicopters with AFCS software P/N 6F2210AS0102 or previous versions 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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