What happened
On the morning of April 1, 1999, an aircraft departed from Port Huron, Michigan, at approximately 11:30 EST. The flight was intended to terminate in Freemont, Ohio, as part of a business trip to meet a client. Based on the planned route, it was expected that the flight would traverse Lake St. Clair and Lake Erie.
At 12:30 EST, an inquiry regarding the pilot's status was made by a customer, prompting concerns about the flight's progress. An aeronautical notification (ALNOT) was subsequently issued at 18:03 EST following the realization that the aircraft had not arrived. A large-scale search and rescue effort involving the U.S. Coast Guard, the Canadian Search and Rescue Center, and the Civil Air Patrol was initiated. This operation continued until the search was officially halted on April 10, 1999.
During the recovery efforts, the body of a passenger was located on May 1, 1999, within the Lake St. Clair shipping channel, roughly 6.9 miles east of St. Clair Shores, Michigan. On July 2, 1999, the remains of the pilot were also recovered from Lake St. Clair. Debris from the aircraft type was found alongside the recovered individuals.
Findings
No definitive conclusion could be reached regarding the disappearance because the aircraft was not recovered.