• N4043B de Havilland Canada Inc., Downsview, ON. Rolled out 02-Oct-1966. First flight 06-Oct-1966.

• N4043B Delivered to Air Wisconsin, Appleton, WI. Delivered 12 –Oct-1966. Re regd 10-Feb-1972. Canx 30-Nov-1972.

Accident: Nr Neenah, Lake Winnebago, 29-Jun-1972. 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 north east, 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 collision and both aircraft fell into Lake Winnebago. The accident occurred in hazy sunlight below a scattered cloud layer. Two crew and six passengers were killed. The aircraft was written off.

• Written off •