AD 91-12-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | 200 | Airworthiness Directives: Beech Model F90, 200, B200, 200C, B200C, 200CT, B200CT, 200T, B200T and 300 Airplanes |
| aircraft | Textron Aviation Inc. | 200C | Airworthiness Directives: Beech Model F90, 200, B200, 200C, B200C, 200CT, B200CT, 200T, B200T and 300 Airplanes |
| aircraft | Textron Aviation Inc. | 200CT | Airworthiness Directives: Beech Model F90, 200, B200, 200C, B200C, 200CT, B200CT, 200T, B200T and 300 Airplanes |
| aircraft | Textron Aviation Inc. | 200T | Airworthiness Directives: Beech Model F90, 200, B200, 200C, B200C, 200CT, B200CT, 200T, B200T and 300 Airplanes |
| aircraft | Textron Aviation Inc. | 300 | Airworthiness Directives: Beech Model F90, 200, B200, 200C, B200C, 200CT, B200CT, 200T, B200T and 300 Airplanes |
| aircraft | Textron Aviation Inc. | B200 | Airworthiness Directives: Beech Model F90, 200, B200, 200C, B200C, 200CT, B200CT, 200T, B200T and 300 Airplanes |
| aircraft | Textron Aviation Inc. | B200C | Airworthiness Directives: Beech Model F90, 200, B200, 200C, B200C, 200CT, B200CT, 200T, B200T and 300 Airplanes |
| aircraft | Textron Aviation Inc. | B200CT | Airworthiness Directives: Beech Model F90, 200, B200, 200C, B200C, 200CT, B200CT, 200T, B200T and 300 Airplanes |
| aircraft | Textron Aviation Inc. | B200T | Airworthiness Directives: Beech Model F90, 200, B200, 200C, B200C, 200CT, B200CT, 200T, B200T and 300 Airplanes |
| aircraft | Textron Aviation Inc. | F90 | Airworthiness Directives: Beech Model F90, 200, B200, 200C, B200C, 200CT, B200CT, 200T, B200T and 300 Airplanes |
Unsafe Condition
Cracking and possible blowout of cast acrylic cockpit 'D' side windows could result in decompression injuries.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Within 150 hours time-in-service after the effective date, inspect the 'D' side window for cracks, chips, stress crazes, fissure scratches, or other damage. If damage exceeds limits, replace with stretched acrylic window. If no damage, replace cast acrylic window within 12 calendar months. If stretched acrylic windows are unavailable but ordered, operate unpressurized with specified placards until installed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the next 150 hours time-in-service after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Beech Model F90 (S/N LA-2 through LA-236); Models 200 and B200 (S/N BB-2 through BB-1212); Models 200C and B200C (S/N BL-1 through BL-72); Models 200CT and B200CT (S/N BN-1 through BN-4); Models 200T and B200T (S/N BT-1 through BT-30); and Model 300 (S/N FA-2 through FA-56)
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.