AD 2003-22-07 R1
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B | Airworthiness Directives; Mitsubishi Heavy Industries, Ltd., MU- 2B Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-10 | Airworthiness Directives; Mitsubishi Heavy Industries, Ltd., MU- 2B Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-15 | Airworthiness Directives; Mitsubishi Heavy Industries, Ltd., MU- 2B Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-20 | Airworthiness Directives; Mitsubishi Heavy Industries, Ltd., MU- 2B Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-25 | Airworthiness Directives; Mitsubishi Heavy Industries, Ltd., MU- 2B Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-26 | Airworthiness Directives; Mitsubishi Heavy Industries, Ltd., MU- 2B Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-26A | Airworthiness Directives; Mitsubishi Heavy Industries, Ltd., MU- 2B Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-30 | Airworthiness Directives; Mitsubishi Heavy Industries, Ltd., MU- 2B Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-35 | Airworthiness Directives; Mitsubishi Heavy Industries, Ltd., MU- 2B Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-36 | Airworthiness Directives; Mitsubishi Heavy Industries, Ltd., MU- 2B Series Airplanes |
Unsafe Condition
The unsafe condition is the potential for icing-related incidents or accidents due to pilot error when pilots-in-command (PIC) of MU-2B series airplanes lack proficiency in recognizing adverse operating conditions and safely operating in icing conditions.
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Required Actions
Revise the Airplane Flight Manual (AFM) Limitations Section to require pilot training before flight into known or forecast icing conditions. The AFM must state that on or after June 15, 2004, no person may serve as PIC in such flights without completing the required Icing Awareness Training.
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Compliance Time
Before further flight
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Affected Aircraft
Mitsubishi Heavy Industries, Ltd. MU-2B series airplanes including models MU-2B, MU-2B-10 through MU-2B-35, and others as specified under Type Certificate Data Sheets A2PC and A10SW.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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