AD 2002-17-51

final rule
Data completeness: 70%

Airworthiness Directives; Agusta S.p.A. Model A109E Helicopters

AD Number
2002-17-51
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2002-SW-42-AD
FR Citation
67 FR 67510

Applicability

TypeManufacturerModelDetails
aircraft Agusta S.p.A. Model A109E Airworthiness Directives; Agusta S.p.A. Model A109E Helicopters

Unsafe Condition

Failure of the tail rotor blade and subsequent loss of control of the helicopter.

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

Required Actions

Install a placard in the helicopter and mark the airspeed indication at 140 knots indicated airspeed (KIAS) to indicate a reduction in the helicopter never-exceed speed (Vne) of 28 KIAS. Visually check the tail rotor blades on both sides for cracks before each start of the helicopter engines. Visually inspect the tail rotor blades with a 5x or higher magnifying glass at specified intervals and anytime an increase in vibration occurs, conducting a dye-penetrant inspection if necessary. Replace any cracked tail rotor blade with an airworthy tail rotor blade.

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 A109E 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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