AD 2012-18-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Agusta | S.p.A. | Airworthiness Directives; Agusta S.p.A. Helicopters |
Unsafe Condition
The hook body locking screws not properly inserted into the slot on the housing, which could result in detachment of the hook and subsequent loss of an external load or person from the helicopter hoist.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the hook for correct assembly of the nut and housing hook using a .5 millimeter (mm) thickness feeler gauge. If the feeler gauge cannot be inserted, the nut and housing are correctly assembled. If the feeler gauge can be inserted, reassemble the hook following the Accomplishment Instructions in AgustaWestland Bollettino Tecnico (BT) No. 412-132.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight, and after every disassembly and reassembly of the hook.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Agusta S.p.A. Model AB412 and AB412EP helicopters with specific hoist hook assemblies installed, as detailed in the AD.
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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