ROCKWOOD, Tenn. (WATE) — The Cumberland County Sheriff’s Office said the crashed plane has been found in the Hinch Mountain area, 18 miles southwest of the Rockwood airport.

Multiple law enforcement agencies spent most of the day searching for the crash site.

Cumberland County Sheriff Casey Cox said his office, the Roane County Sheriff’s Office and the Morgan County Sheriff’s Office began searching after receiving reports of a possible plane crash Tuesday morning around 7:32 a.m. CDT.

The Federal Aviation Administration issued an Alert Notice at 9:23 a.m. CDT to public safety agencies, pilots and airports to alert them about a missing Gulfstream American AA-5A.

A Knox County Sheriff’s Office Airwatch helicopter deployed to aid in the search, a KCSO spokesperson said.

Search areas were gradually narrowed to locations nearer to the Rockwood Airport from the Old 28 Highway area.

Ninth Judicial District Attorney Russell Johnson said the Roane County 911 received a report of a possible plane crash in the Mt. Roosevelt area and that Tennessee Highway Patrol assisted in the search, Johnson said in a social media post.

Rockwood Municipal Airport is a public use airport in Morgan and Cumberland counties, it is about 50 miles west of Knoxville.

This story has been updated to reflect developing news.