AD Amdt-39-10430

final rule
Data completeness: 70%

Airworthiness Directives; Agusta S.p.A. Model AB 412 Helicopters

AD Number
Amdt-39-10430
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 97-SW-63-AD
FR Citation
63 FR 15753

Applicability

TypeManufacturerModelDetails
aircraft Agusta S.p.A. Model AB 412 Airworthiness Directives; Agusta S.p.A. Model AB 412 Helicopters

Unsafe Condition

Loss of a tail rotor blade tip during helicopter service could result in increased vibration levels, damage to the tail rotor drive system or tail rotor assembly, and subsequent loss of control.

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

Required Actions

Inspect tail rotor blades for debond voids and replace blades if necessary.

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

Compliance Time

Before further flight

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

Affected Aircraft

Agusta S.p.A. Model AB 412 helicopters

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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