ASN Wikibase Occurrence # 356061
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| Date: | Saturday 5 April 1997 |
| Time: | 11:30 LT |
| Type: |  Beechcraft 100 |
| Owner/operator: | Iso Aero Service, Inc. |
| Registration: | N402G |
| MSN: | B-14 |
| Total airframe hrs: | 9758 hours |
| Engine model: | P&W PT6-28 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Minor |
| Category: | Serious incident |
| Location: | Kenly, NC -
 United States of America
|
| Phase: | En route |
| Nature: | Ferry/positioning |
| Departure airport: | Kinston, NC (KISO) |
| Greensboro, NC (GSO | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
About 15 minutes after departure while climbing through 12,000 to 12,500 feet, at a cabin differential pressure of 4.3 psi, the pilot's flight compartment side 'D' window separated with a resulting rapid decompression. The pilot diverted to the destination airport and landed uneventfully. Post incident examination of the failed window revealed evidence of preexisting cracks that originated at the external surface of the window at the transition radius between the window flange and the center portion of the window. The failed window had accumulated 4,008 hours since replacement at failure and was the latest design. Review of the inspection requirements for the window which is scheduled to occur every 600 hours revealed that the metal retaining ring is not required to be removed for inspection.
Probable Cause: Inadequate inspection procedures by the airframe manufacturer for failure to require removal of the metal retaining ring to inspect the entire area of the window for cracks.
Accident investigation:
 |
|
Sources:
NTSB MIA97IA151
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 12-Mar-2024 18:38 | ASN Update Bot | Added |
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