A BOLO alert, which means Be On The Lookout, has been issued by the Charlotte County Sheriff’s Office for a missing boater who may be endangered. Law enforcement has said that 41-year-old Benjamin Hartman left the Charlotte Harbor on Feb 22nd. He was headed to St. Augustine, but never arrived. The Charlotte County Sheriff’s Office says Hartman was spotted on Feb. 27 in Dry Tortugas. The boat Hartman is sailing is a blue and white, 31 foot, 1970 Kenner Sailboat.