AD 2013-20-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter | Deutschland GmbH (ECD) | Airworthiness Directives; Eurocopter Deutschland GmbH (ECD) Helicopters |
Unsafe Condition
Third stage turbine vibration, which could result in turbine failure, engine power loss, 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
Revise the Rotorcraft Flight Manual (RFM) Limitations Section for BO105C-2, BO105CS-2, BO105CB-2, and BO105CBS-2 Variant helicopters. Install a placard on the instrument panel next to the triple RPM indicator stating: 'MIN. CONTINUOUS 98% N2--MIN. TRANSIENT 95% N2'.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 30 days
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Affected Aircraft
ECD Model BO105C (C-2 and CB-2 Variants) and BO105S (CS-2 and CBS-2 Variants) helicopters with a third stage turbine wheel, part number 23065833, installed.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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