ASN Wikibase Occurrence # 330464
| Date: | Thursday 29 June 1972 |
| Time: | 10:37 |
| Type: |  Convair CV-580 |
| Owner/operator: | North Central Airlines |
| Registration: | N90858 |
| MSN: | 83 |
| Year of manufacture: | 1953 |
| Total airframe hrs: | 45905 hours |
| Engine model: | Allison 501-D13 |
| Fatalities: | Fatalities: 5 / Occupants: 5 |
| Other fatalities: | 8 |
| Aircraft damage: | Destroyed, written off |
| Category: | Accident |
| Location: | ca. 8 km S of Appleton, WI -
 United States of America
|
| Phase: | Approach |
| Nature: | Passenger - Scheduled |
| Departure airport: | Green Bay-Austin-Straubel Field, WI (GRB/KGRB) |
| Oshkosh-Wittman Field, WI (OSH/KOSH) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
North Central Flight 290, a Convair CV-580 departed Green Bay (GRB) at 10:30 for a flight to Oshkosh (OSH), Milwaukee (MKE) and Chicago. The aircraft climbed to 2,500 feet and proceeded on an approximate course to Oshkosh. At 10:35 the flight made its initial contact with Oshkosh tower stating, "...we're about, seven northeast, two thousand five hundred, VFR." The crew were cleared for a runway 27 landing at 10:36. At that same time, an Air Wisconsin Twin Otter turboprop plane was on its way from Sheboygan (SBM) to Appleton (ATW) at the same altitude. An in-flight collision occurred at 10:36:47 over Lake Winnebago, at an altitude of approximately 2,500 feet. Explosion and fire followed the and both aircraft fell into Lake Winnebago. The accident occurred in hazy sunlight below a scattered cloud layer.
PROBABLE CAUSE: "The failure of both flight crews to detect visually the other aircraft in sufficient time to initiate evasive action. the Board is unable to determine why each crew failed to see and avoid the other aircraft; however, the Board believes that the ability of both crews to detect the other aircraft in time to avoid a collision was reduced because of the atmospheric conditions and human visual limitations."
Accident investigation:
|
Sources:
NTSB-AAR-73-9
Location
Images:
photo (c) Bob Garrard; Columbus-Port Columbus International Airport, OH (CMH/KCMH); January 1971
Revision history:
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