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Accident
Last updated: 24 October 2017
Estado:Final
Fecha:domingo 4 agosto 1968
Hora:09:48
Tipo:Silhouette image of generic CVLT model; specific model in this crash may look slightly different
Convair CV-580
Operador:North Central Airlines
Registración: N4634S
Numéro de série: 176
Año de Construcción: 1958
Horas Totales de la Célula:25219
Tripulación:Fatalidades: 0 / Ocupantes: 3
Pasajeros:Fatalidades: 0 / Ocupantes: 8
Total:Fatalidades: 0 / Ocupantes: 11
Víctimas de la colisión:Fatalidades: 3
Daños en la Aeronave: Considerable
Consecuencias: Repaired
Ubicación:18 km (11.3 milles) SW of Milwaukee, WI (   Estados Unidos de América)
Fase: Aproximación (APR)
Naturaleza:Vuelo Doméstico Programado
Aeropuerto de Salida:Chicago-O'Hare International Airport, IL (ORD/KORD), Estados Unidos de América
Aeropuerto de Llegada:Milwaukee-General Mitchell Airport, WI (MKE/KMKE), Estados Unidos de América
Número de Vuelo: 261
Descripción:
North Central flight 261, a CV-580, collided in mid-air with Cessna 150 N8742S (Home Airmotive) at 2700 feet. The Cessna cabin remained attached to the Convair's forward baggage compartment. The Convair made a safe emergency landing at Milwaukee. The 3 Cessna occupants were killed. The Cessna was on a VFR flight from Lombard, IL to Sheboygan, WI.

Probable Cause:

PROBABLE CAUSE: "The inability of the Convair 580 flight crew to detect the Cessna 150 visually in sufficient time to take evasive action, despite having been provided with three radar traffic advisories concerning the latter aircraft. Visual detection capabilities were substantially reduced by the heavy accumulation of insect smears on the forward windshield and direct vision windows of the Convair. Visibility was further reduced by haze, smoke and sunglare, and by the inconspicuous colour and lack of relative motion of the Cessna. Under these circumstances, the crew of the Convair should have requested a radar avoidance vector."



Subsiguiente / acciones de seguridad

NTSB issued 1 Safety Recommendation

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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Chicago-O'Hare International Airport, IL to Milwaukee-General Mitchell Airport, WI as the crow flies is 107 km (67 miles).

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