AD 80-08-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Kelowna Flightcraft R & D Ltd. | 240 Series | Airworthiness Directives; GENERAL DYNAMICS Model 240, T-29, 340, 440 Airplanes |
| aircraft | Kelowna Flightcraft R & D Ltd. | 340 | Airworthiness Directives; GENERAL DYNAMICS Model 240, T-29, 340, 440 Airplanes |
| aircraft | Kelowna Flightcraft R & D Ltd. | 440 | Airworthiness Directives; GENERAL DYNAMICS Model 240, T-29, 340, 440 Airplanes |
Unsafe Condition
Failure of pilots' windshield, direct vision windows, sliding windows (P/N 340-3110307-7 or -8), and cabin windows due to aging or damage exceeding service bulletin limits, and door collapse on certain airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace sliding windows P/N 340-3110307-7/-8 with new parts (P/N 340-3110307-9/-10) or inspect within 100 hours' time in service and at intervals not exceeding 100 hours. Inspect pilots' windshields, direct vision, and cabin windows within 250 hours' time in service and at intervals not exceeding 90 days or 500 hours. Install placards prohibiting pressurized flight if windows are damaged beyond limits or aged. Modify cockpit door per Service Bulletin 640 No. 25-9.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Effective May 5, 1980. Compliance required as indicated in the AD text.
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Affected Aircraft
GENERAL DYNAMICS Models 240, T-29, 340, 440, C-131, and STC-converted models 580, 600, 640 (via STCs SA1054WE, SA4-1100, SA1096WE).
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
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