AD 81-18-08 R3
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 99 | Airworthiness Directives; Beech Models 99, 99A, A99A and A99 and Model B99 Airplanes |
| aircraft | Textron Aviation Inc. | 99A | Airworthiness Directives; Beech Models 99, 99A, A99A and A99 and Model B99 Airplanes |
| aircraft | Textron Aviation Inc. | A99 | Airworthiness Directives; Beech Models 99, 99A, A99A and A99 and Model B99 Airplanes |
| aircraft | Textron Aviation Inc. | A99A | Airworthiness Directives; Beech Models 99, 99A, A99A and A99 and Model B99 Airplanes |
| aircraft | Textron Aviation Inc. | B99 | Airworthiness Directives; Beech Models 99, 99A, A99A and A99 and Model B99 Airplanes |
Unsafe Condition
Inoperative systems required for safe flight could lead to unsafe conditions.
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Required Actions
Revise the applicable Airplane Flight Manual (AFM) by deleting specific entries and removing pages as listed, and insert the attached Appendix I (Kinds of Operations Equipment List) into Section 1 Limitations. Compliance may be done by a private pilot with an entry in maintenance records.
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Compliance Time
within the next 100 hours time-in-service after the effective date of this AD
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Affected Aircraft
Beech Models 99, 99A, A99A, A99, and B99 airplanes with serial numbers U-1 through U-145, U-147 for Models 99, 99A, A99A, A99 and U-146, U-148 and subsequent for Model B99.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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