AD 2017-24-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | Helicopters Deutschland GmbH | Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters |
Unsafe Condition
Helicopter making an uncommanded climb or descent following activation of the autopilot cruise height (CRHT) mode concurrently with the ground trajectory command in hover mode (GTCH).
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Required Actions
Within 10 hours time-in-service, revise the Operating Limitations section of the rotorcraft flight manual to add a minimum airspeed limitation of 40 knots for the autopilot when CRHT mode is engaged.
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Compliance Time
Within 10 hours time-in-service
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Affected Aircraft
Airbus Helicopters Deutschland GmbH Model MBB-BK 117 D-2 helicopters, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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