At 0948 c.d.t., on August 4, 1968, North Central Airlines Flight 261, a Convair 580, N4634S, and a Home Airmotive, Inc., Cessna 150, N8742S, collided approximately 11.5 m1les southwest of General Mitchell Airport, Milwaukee, Wisconsin, at an altitude of 2,700 feet. All major components of the Cessna fell to the ground, with the exception of the cabin section with its three occupants and the attached landing gear, which were embedded in the Convair's forward baggage compartment. Damage sustained by the Convair was extensive, but controlled flight was maintained by the captain and a successful land1ng was accomplished at General Mitchell Field at 0954. The three occupants of the Cessna were killed in the accident, and the first officer on the Convair sustained serious injuries. The captain, stewardess, additional crewmember, and eight passengers on board the Convair were not injured.