AD 97-23-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Maryland Air Industries, Inc. | FH-227 | Airworthiness Directives; Fairchild Model FH-227 Series Airplanes |
| aircraft | Maryland Air Industries, Inc. | FH-227B | Airworthiness Directives; Fairchild Model FH-227 Series Airplanes |
| aircraft | Maryland Air Industries, Inc. | FH-227C | Airworthiness Directives; Fairchild Model FH-227 Series Airplanes |
| aircraft | Maryland Air Industries, Inc. | FH-227D | Airworthiness Directives; Fairchild Model FH-227 Series Airplanes |
| aircraft | Maryland Air Industries, Inc. | FH-227E | Airworthiness Directives; Fairchild Model FH-227 Series Airplanes |
Unsafe Condition
Positioning of power levers below the flight idle stop (i.e., including ground fine pitch) while the airplane is in flight may lead to loss of airplane control or may result in an overspeed condition and consequent loss of engine power.
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Required Actions
Revise the Limitations Section of the FAA-approved Airplane Flight Manual (AFM) to include statements prohibiting power levers below the flight idle stop during flight and warning of consequences. This may be done by inserting a copy of this AD 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
Maryland Air Industries, Inc. Model FH-227, FH-227B, FH-227C, FH-227D, FH-227E airplanes, all serial numbers.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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