NTSB Identification: CHI93FAMS4.
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Accident occurred Friday, June 25, 1993 in HOBART, IN
Probable Cause Approval Date: 08/17/1994
Aircraft: MOONEY M20K, registration: N5655M
Injuries: 1 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 OBERVED DEPARTING IN LIGHT MIST BY THE AIRPORT MANAGER AND THREE OTHER PERSONS. THE AIRPLANE WAS OVERDUE AND A SEARCH WAS CONDUCTED BY THE CIVIL AIR PATROL AND THE U.S. COAST GUARD. THE SOUTHERN PORTION OF LAKE MICHIGAN AND SURROUNDING LAND MASS WAS SEARCHED WITH NEGATIVE RESULTS. APPROXIMATELY ONE WEEK PRIOR TO THE MISSING AIRPLANE'S DEPARTURE AN EMPLOYEE OF THE PILOT WAS DIRECTED BY THE PILOT TO CHANGE THE VACUUM PUMP. THE MECHANIC WAS NOT ABLE TO DO SO. THE MECHANIC STATED THE PILOT TOLD HIM HE HAD REMOVED THE PUMP LATER IN THE WEEK. NO EVIDENCE OF SUCH MAINTENANCE WAS FOUND DURING THE INVESTIGATION. PIECES OF AN AIRPLANE HAVE BEEN FOUND ALONG THE MICHIGAN LAKESHORE WHICH MATCH THE AIRPLANE'S INTERIOR AND EXTERIOR COLORS. THE PILOT IS PRESUMED DEAD.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: undetermined. Full narrative available
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