Accident Description
A Piper PA-28, registration N55354, departed Plymouth, Michigan, and was climbing from 1,300 feet MSL on a course of approximately 282 degrees with a ground speed of 80 knots. Simultaneously, a Piper PA-60, registration N8060J, was cruising at 2,100 feet MSL on a flight from Detroit to Jackson, Michigan, on a course of about 258 degrees with a ground speed of 165 knots. The two aircraft converged and collided at 2,100 feet MSL. Following the collision, both aircraft plunged to the ground and crashed.
Examination of Radar Data and Wreckage
Radar data and wreckage examination revealed that the PA-60 had converged from the right rear of the PA-28, while the PA-28 converged on the PA-60 from its lower, left, forward area. The PA-28 was on an instrument training flight with a rated private pilot and an instructor pilot (CFI) aboard. The investigation did not reveal which seat the CFI was occupying.
Flight Planning and ATC Involvement
No flight plan had been filed for either flight, nor was there any indication that either flight crew had obtained ATC or radar assistance.
Probable Cause
The source does not state a probable cause.