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Crash of a Convair CV-580 in Kalamazoo

Date & Time: Jul 25, 1978 at 0702 LT
Type of aircraft:
Convair CV-580
Operator:
Registration:
N4825C
Flight Phase:
Takeoff (climb)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Schedule:
Kalamazoo - Detroit
MSN:
380
YOM:
1967
Flight number:
NCA801
Location:
Kalamazoo-Battle Creek
Michigan
Country:
United States of America
Region:
North America
Crew on board:
3
Crew fatalities:
Pax on board:
40
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total flying hours:
9479
Captain / Total hours on type:
5022.00
Copilot / Total flying hours:
2490
Copilot / Total hours on type:
239
Aircraft flight hours:
53343
Aircraft flight cycles:
24284
Circumstances:
Just after takeoff from runway 17, while in initial climb, the left engine suffered a bird strike (sparrowhawk). The autofeather system activated and the airplane flew for 79 seconds when it banked left and crashed in a corn field. Three passengers were seriously injured while 40 other occupants were unhurt. the aircraft was damaged beyond repair.
Probable cause:
The failure of the captain to follow the prescribed engine-out procedures during instrument meteorological conditions, which allowed the aircraft to decelerate into a flight regime from which he could not recover. Contributing to the accident were inadequate cockpit coordination and discipline.
Final Report:

Crash of a Douglas DC-9-31 in Chicago: 10 killed

Date & Time: Dec 20, 1972 at 1800 LT
Type of aircraft:
Douglas DC-9
Operator:
Registration:
N954N
Flight Phase:
Takeoff (climb)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Schedule:
Chicago – Madison – Duluth
MSN:
47159
YOM:
1967
Flight number:
NC575
Location:
Chicago-O'Hare
Illinois
Country:
United States of America
Region:
North America
Crew on board:
4
Crew fatalities:
Pax on board:
41
Pax fatalities:
Other fatalities:
Total fatalities:
10
Captain / Total flying hours:
20261
Captain / Total hours on type:
3455.00
Copilot / Total flying hours:
4537
Copilot / Total hours on type:
1601
Aircraft flight hours:
11812
Circumstances:
The crew was cleared to takeoff from runway 27L. During the takeoff roll completed by night and a visibility limited to 250 feet due to fog, the captain called for rotation and the copilot, the pilot-in-command, started the rotation when one of the wing struck the tail of a Delta Airlines Convair CV-880. Registered N8807E, the Convair just landed at O'Hare Airport on flight DL954 from Tampa and its crew was cleared to cross runway 27L to roll to the gate. The collision caused the tail of the Convair to be torn off. Out of control, the DC-9 landed back onto the runway then veered off and came to rest in flames. The Convair was damaged beyond repair and the DC-9 was destroyed by a post crash fire. While 10 people on board the Convair were injured, 10 passengers on board the DC-9 were killed and 35 others were injured, some of them seriously.
Probable cause:
Failure of the air traffic control system to ensure separation of aircraft during a period of restricted visibility. This failure included the following:
- The controller omitted a critical word which made his transmission to the flight crew of the Delta CV-880 ambiguous,
- The controller did not use all the available information to determine the location of the CV-880,
- The CV-880 flight crew did not request clarification of the controller's communications.
Final Report:

Crash of a Convair CV-580 near Appleton: 5 killed

Date & Time: Jun 29, 1972 at 1037 LT
Type of aircraft:
Convair CV-580
Operator:
Registration:
N90858
Flight Phase:
Flight
Flight Type:
Scheduled Revenue Flight
Survivors:
No
Site:
Lake, Sea, Ocean, River
Schedule:
Houghton – Ironwood – Green Bay – Oshkosh – Milwaukee – Chicago
MSN:
83
YOM:
1969
Flight number:
NC290
Location:
Appleton
Wisconsin
Country:
United States of America
Region:
North America
Crew on board:
3
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
5
Captain / Total flying hours:
15688
Captain / Total hours on type:
3079.00
Copilot / Total flying hours:
4462
Copilot / Total hours on type:
62
Aircraft flight hours:
45905
Circumstances:
The airplane was on its way from Green Bay to Oshkosh, flying at an altitude of 2,500 feet in relative good weather conditions when it collided with an Air Wisconsin De Havilland DHC-6 Twin Otter 200 registered N4043B. En route from Sheboygan to Appleton with six passengers and two pilots on board, the Twin Otter was descending to Appleton Airport. At the time of the accident, both airplanes were flying under VFR in an uncontrolled airspace. Following the collision, both aircraft crashed into Lake Winnebago, some five miles southeast of Appleton Airport. Debris were found floating on water, both airplanes were totally destroyed and all 13 occupants were killed.
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.
Final Report:

Crash of a Convair CV-580 in Chicago: 28 killed

Date & Time: Dec 27, 1968 at 2022 LT
Type of aircraft:
Convair CV-580
Operator:
Registration:
N2045
Flight Phase:
Landing (descent or approach)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Schedule:
Minneapolis – Wausau – Green Bay – Manitowoc – Milwaukee – Chicago
MSN:
369
YOM:
1968
Flight number:
NC458
Location:
Chicago-O'Hare
Illinois
Country:
United States of America
Region:
North America
Crew on board:
4
Crew fatalities:
Pax on board:
41
Pax fatalities:
Other fatalities:
Total fatalities:
28
Captain / Total flying hours:
10972
Captain / Total hours on type:
123.00
Copilot / Total flying hours:
2421
Copilot / Total hours on type:
526
Aircraft flight hours:
27180
Circumstances:
On final approach by night to Chicago-O'Hare Airport, at an altitude of 200 feet, the captain decided to make a go-around when the airplane lors height, struck the ground then crashed inverted onto a hangar. Three crew members, 24 passengers and one people on the ground were killed while 18 other were injured.
Probable cause:
Spatial disorientation of the captain precipitated by atmospheric refraction of either the approach lights or landing lights at a critical point in the approach wherein the crew was transitioning between flying by reference to flight instruments and by visual reference to the ground.
Final Report:
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