AD Amdt-39-11472
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Agusta | S.p.A. Model A109A and A109A II | Airworthiness Directives; Agusta S.p.A. Model A109A and A109A II Helicopters |
Unsafe Condition
Fatigue failure of the tail rotor blade, leading to loss of the tail rotor and subsequent loss of control of the helicopter.
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Required Actions
Before further flight, dye-penetrant inspect each tail rotor blade (P/N 109-0132-02) with 400 or more hours time-in-service for a crack. Replace any cracked blade with an airworthy blade. Visually inspect each blade before the first flight of each day using a 3 to 5 power magnifying glass. Thereafter, dye-penetrant inspect each blade at intervals not to exceed 100 hours time-in-service.
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Compliance Time
Before further flight
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Affected Aircraft
Agusta S.p.A. Model A109A and A109A II helicopters with tail rotor blade (P/N 109-0132-02) installed and with 400 or more hours time-in-service.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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