Union and Hardin County authorities were searching an area near the county border after a report of a downed aircraft.
Union County dispatchers told 10TV that a caller said they saw an Ultralite aircraft spiral toward the ground shortly before noon.
They said the aircraft apparently went down near state Route 31.
As of 2 p.m., authorities were still searching for a possible downed aircraft.
The Columbus police helicopter is assisting with the search.
Late Thursday afternoon, authorities suspended the search after no wreckage was discovered.
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