AD 72-18-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | MD Helicopters, Inc. | 369H | Airworthiness Directives; Hughes Model 369H Series Helicopters |
| aircraft | MD Helicopters, Inc. | 369HE | Airworthiness Directives; Hughes Model 369H Series Helicopters |
| aircraft | MD Helicopters, Inc. | 369HM | Airworthiness Directives; Hughes Model 369H Series Helicopters |
| aircraft | MD Helicopters, Inc. | 369HS | Airworthiness Directives; Hughes Model 369H Series Helicopters |
Unsafe Condition
Failure to install new Vne placards and revise the Rotorcraft Flight Manual could result in exceeding the correct Vne limitations above 3000 feet density altitude.
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Required Actions
Install new Vne placards in accordance with Hughes Service Information Notice No. HN-45 or later FAA-approved revisions, and revise the Rotorcraft Flight Manual with the RFM revision dated 2 November 1971.
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Compliance Time
within the next 25 hours time in service after the effective date of this AD
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Affected Aircraft
MD Helicopters, Inc. Model 369HE (Serial Nos. 0101E thru 0215E), Model 369HM (Serial Nos. 0101M thru 0213M), Model 369HS (Serial Nos. 0101S thru 0357S) Helicopters certified in all categories.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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