AD 2016-25-19

final rule
Data completeness: 70%

Airworthiness Directives; Airbus Helicopters (Previously Eurocopter France) Helicopters

AD Number
2016-25-19
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2014-0498
FR Citation
81 FR 95854

Applicability

TypeManufacturerModelDetails
aircraft Airbus Various Airworthiness Directives; Airbus Helicopters (Previously Eurocopter France) Helicopters

Unsafe Condition

Corrosive effects of a salt-laden atmosphere could affect the switches in the engine 'IDLE' or 'FLIGHT' control system, leading to engine power loss.

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

Required Actions

Inspect the pilot's and co-pilot's throttle twist for proper operation of contactors 53Ka and 53Kb, and the throttle twist grip controls for proper functioning. The inspection interval is reduced to 330 hours time-in-service (TIS) for helicopters operating in salt-laden environments and 660 hours TIS for all other helicopters.

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

Compliance Time

Within the specified inspection intervals (330 hours TIS for salt-laden environments, 660 hours TIS for others).

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

Affected Aircraft

Airbus Helicopters (previously Eurocopter France) Model AS350B3 and EC130B4 helicopters.

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

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