AD 81-18-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Kelowna Flightcraft R & D Ltd. | 240 Series | Airworthiness Directives; GENERAL DYNAMICS Model 240 Airplanes |
Unsafe Condition
Structural failure of the wing structure due to corrosion and cracking at the wing outer panel/wing center section joint.
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Required Actions
Conduct external and internal visual inspections of the wing structure at specified intervals, including dye penetrant inspections for cracks in spar rails and bulkhead tee rails. Repair corrosion or cracks as approved. Submit reports of discrepancies found.
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Compliance Time
On or before September 15, 1981, and thereafter at intervals not to exceed 100 hours of additional time in service until compliance with paragraph (B). For paragraph (B), on or before December 1, 1981, and thereafter at intervals not to exceed 3,000 hours of additional time in service or one year since the last inspection, whichever occurs earlier.
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Affected Aircraft
General Dynamics Model 240 and military models eligible for civil use under Type Certificate A-793, including those converted to turbopropeller power.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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