Helicopter Bell TH-57C Sea Ranger Serial 3723 Register 162015 used by US Navy USN. Aircraft history and location Aircraft History 162015 US Navy USN HT-8 E-51 HT-8 1998-10-28E-51 A KNEW Visiting noted as TW-5 / E-51 at Lakefront Airport 1999-05-07E-51 B KNGU Visiting 7 May 1999 visited NAS Norfolk VA, as TW-5 / E-51 Send Updates Use APP to upload photo @ (optional) When Now? / / Send