AD 2001-25-51
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | MD | Various | Airworthiness Directives; MD Helicopters, Inc. Model MD900 Helicopters |
Unsafe Condition
Failure of the Integrated Instrument Display System (IIDS) during a helicopter hover operation, which could lead to total power failure and inability to monitor essential information and warning indications.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a dual power confirmation test on the IIDS. If the IIDS fails the test, replace it before further flight. Insert a revision to the Rotorcraft Flight Manual (RFM) as applicable. Remove the temporary revision when the IIDS is replaced and insert the applicable revision into the RFM.
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Compliance Time
Before further flight if the IIDS fails the power test.
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Affected Aircraft
MD Helicopters, Inc. Model MD900 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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