The Oklahoma Highway Patrol and Civil Air Patrol assisted in the search.
Earlier report from 10/23/2013:
LEFLORE COUNTY, OK-- Deputies continue to search for an aircraft that lost contact with a control tower Monday night, according to LeFlore County Sheriff Rob Seale.
The investigation started Tuesday and they haven't found any evidence of the crash yet. Wednesday morning, crews used OHB and National Guard helicopters to search the east side of Bowman Mountain, west of the Pip Springs area.
Sheriff Seale said evidence showed the plane went down at 336 feet a minute, around 105 miles per hour. A woman reported seeing a plane flying very low about a mile southeast of where they are searching.
Elmer Ray Broadbent, 71, from Heber Springs was reported missing to the Federal Aviation Administration Tuesday. His wife, Dardee Broadbent, said he took of from Searcy Monday afternoon and was headed to Elk City Oklahoma but he never checked into his hotel, according to the Sheriff's Office. He was flying a Piper 28 plane.