AD 2018-26-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | Various | Airworthiness Directives; Airbus Helicopters (Previously Eurocopter France) Helicopters |
Unsafe Condition
unintended touchdown to the ground at a flight-idle power setting during a practice autorotation, damage to the helicopter, and injury to occupants.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
inspect the wiring, perform an insulation test, inspect the pilot and copilot throttle twist grip controls, and test the pilot and copilot throttle twist grip controls for proper functioning. Install Airbus Helicopters MOD 074263.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
before the next autorotation training flight or before 100 hours time-in-service, whichever occurs earlier
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Affected Aircraft
Airbus Helicopters (previously Eurocopter France) Model AS350B3 and EC130B4 helicopters with an ARRIEL 2B1 engine with the two-channel Full Authority Digital Engine Control (FADEC) and with new twist grip modification (MOD) 073254 (for the Model AS350B3 helicopter) or MOD 073773 (for the Model EC130B4 helicopter).
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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