AD 97-21-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Martin Corporation | 382 | Lockheed Aeronautical Systems Company Model 382 Series Airplanes |
| aircraft | Lockheed Martin Corporation | 382B | Lockheed Aeronautical Systems Company Model 382 Series Airplanes |
| aircraft | Lockheed Martin Corporation | 382E | Lockheed Aeronautical Systems Company Model 382 Series Airplanes |
| aircraft | Lockheed Martin Corporation | 382F | Lockheed Aeronautical Systems Company Model 382 Series Airplanes |
| aircraft | Lockheed Martin Corporation | 382G | Lockheed Aeronautical Systems Company Model 382 Series Airplanes |
Unsafe Condition
Loss of airplane controllability, or engine overspeed with consequent loss of engine power caused by the power levers being positioned below the flight idle stop while the airplane is in flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revise the Limitations Section of the FAA-approved Airplane Flight Manual (AFM) to include specific prohibitions and consequences regarding power lever positioning below the flight idle stop. This may be done by inserting a copy of this AD or the specified Lockheed AFM revision into the AFM.
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Compliance Time
Within 30 days after the effective date of this AD
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Affected Aircraft
Lockheed Aeronautical Systems Company Model 382 series airplanes, including models 382, 382B, 382E, 382F, 382G, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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