NTSB Identification: CHI97FAMS4.
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Accident occurred Sunday, September 14, 1997 in DRUMMOND ISLAND, MI
Probable Cause Approval Date: 05/21/1998
Aircraft: Piper PA-28-235, registration: N9399W
Injuries: 2 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

The airplane was observed departing the airport at approximately 1553 edt on September 14, 1997. At the time of departure, the Toronto Air Traffic Control Center's radar showed the airplane to depart Drummond Island and head south 20 to 25 miles before turning 180 degrees and disappearing off radar. Weather was reported to be IMC. Neither the airplane nor the pilot and passenger were located.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

undetermined.

Full narrative available

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