AD 2025-09-06

final rule
Data completeness: 80%

Airworthiness Directives; Leonardo S.p.A. Helicopters

AD Number
2025-09-06
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2025-0019
FR Citation
90 FR 20087

Applicability

TypeManufacturerModelDetails
aircraft Aviat Various Airworthiness Directives; Leonardo S.p.A. Helicopters

Unsafe Condition

an electrical failure of the starter-generator, due to a rupture of the drive shaft, which resulted in a partial loss of battery power.

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

Required Actions

installing a battery discharge detector and revising the existing Rotorcraft Flight Manual (RFM) for the helicopter.

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

Compliance Time

Within 50 flight hours

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

Affected Aircraft

Leonardo S.p.A. Model A119 and AW119 MKII 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 4, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.