AD 69-24-02 R3
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 99 | Airworthiness Directives; BEECH Model 99 Series Airplanes |
| aircraft | Textron Aviation Inc. | 99A | Airworthiness Directives; BEECH Model 99 Series Airplanes |
| aircraft | Textron Aviation Inc. | 99A (FACH) | Airworthiness Directives; BEECH Model 99 Series Airplanes |
| aircraft | Textron Aviation Inc. | A99 | Airworthiness Directives; BEECH Model 99 Series Airplanes |
| aircraft | Textron Aviation Inc. | A99A | Airworthiness Directives; BEECH Model 99 Series Airplanes |
| aircraft | Textron Aviation Inc. | B99 | Airworthiness Directives; BEECH Model 99 Series Airplanes |
| aircraft | Textron Aviation Inc. | C99 | Airworthiness Directives; BEECH Model 99 Series Airplanes |
Unsafe Condition
Failure of the elevator control system rigging or stabilizer trim system could result in loss of longitudinal control or unintended trim movement, leading to unsafe flight conditions.
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Required Actions
Restrict aircraft to a maximum speed of 174 knots Vmo until required actions are completed. Inspect and rerig elevator control system per Service Instruction 0309-364, conduct flight test per same instruction, limit stabilizer upward travel to 3-1/2 degrees per Service Instructions 0285-364 or 0309-364, install aural and out-of-trim warning systems, new standby trim switch with guards, revise electrical circuitry, relocate trim release switch, and revise AFM with specified revisions.
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Compliance Time
Effective immediately for speed restriction; other actions must be accomplished on or before March 15, 1970, unless already done.
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Affected Aircraft
BEECH Model 99 series airplanes with serial numbers U-1 thru U-49, U-51 thru U-131, U-133 thru U-145, and U-147, except those modified per Kit 99-5011 or 99-5014.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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