AD 86-26-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-10 | Airworthiness Directives; 86-26-02 Mitsubishi Model MU-2B-10, -15, -20, -25, -26, -26A, -30, -35, -36, -36A, -40, and -60 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-15 | Airworthiness Directives; 86-26-02 Mitsubishi Model MU-2B-10, -15, -20, -25, -26, -26A, -30, -35, -36, -36A, -40, and -60 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-20 | Airworthiness Directives; 86-26-02 Mitsubishi Model MU-2B-10, -15, -20, -25, -26, -26A, -30, -35, -36, -36A, -40, and -60 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-25 | Airworthiness Directives; 86-26-02 Mitsubishi Model MU-2B-10, -15, -20, -25, -26, -26A, -30, -35, -36, -36A, -40, and -60 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-26 | Airworthiness Directives; 86-26-02 Mitsubishi Model MU-2B-10, -15, -20, -25, -26, -26A, -30, -35, -36, -36A, -40, and -60 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-26A | Airworthiness Directives; 86-26-02 Mitsubishi Model MU-2B-10, -15, -20, -25, -26, -26A, -30, -35, -36, -36A, -40, and -60 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-30 | Airworthiness Directives; 86-26-02 Mitsubishi Model MU-2B-10, -15, -20, -25, -26, -26A, -30, -35, -36, -36A, -40, and -60 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-35 | Airworthiness Directives; 86-26-02 Mitsubishi Model MU-2B-10, -15, -20, -25, -26, -26A, -30, -35, -36, -36A, -40, and -60 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-36 | Airworthiness Directives; 86-26-02 Mitsubishi Model MU-2B-10, -15, -20, -25, -26, -26A, -30, -35, -36, -36A, -40, and -60 Series Airplanes |
| aircraft | Mitsubishi Heavy Industries, Ltd. | MU-2B-36A | Airworthiness Directives; 86-26-02 Mitsubishi Model MU-2B-10, -15, -20, -25, -26, -26A, -30, -35, -36, -36A, -40, and -60 Series Airplanes |
Unsafe Condition
Engine flameout when in or departing an icing environment due to inadequate ignition system operation.
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Required Actions
Modify airplanes not equipped with manual ignition switches per specified service bulletins; revise POM/AFM by inserting Appendix 1 in the 'LIMITATIONS' section; allow Part 61 certificate holders to perform POM/AFM revisions with appropriate maintenance records entry.
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Compliance Time
within the next 100 hours time-in-service (TIS) after the effective date of this AD
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Affected Aircraft
Mitsubishi Heavy Industries, Ltd. Models MU-2B-10, -15, -20, -25, -26, -26A, -30, -35, -36, -36A, -40, and -60 (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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