The Air Force began monitoring the plane after noticing it flying erratically over the Gulf of Mexico on Thursday morning , and planes sent up to investigate NEW : Friends identify the pilot as a well known cosmetic surgeon in the area . The plane has crashed , no pilot found , the Coast Guard reported . The Air Force noticed the plane flying erratically this morning . Interceptor pilots reported the plane 's windows were fogged over .
NEW : Friends identify the pilot as a well known cosmetic surgeon in the area . The plane has crashed , no pilot found , the Coast Guard reported . The Air Force noticed the plane flying erratically this morning . Interceptor pilots reported the plane 's windows were fogged over .