Job Description. An Exciting Job at a growing Fixed Base Operation (FBO) at the Beverly Regional Airport. Full/Part-time. Primary Purpose Of The Position. The Line Service Technician (LST) attends to all service needs as they relate to based and transient aircraft, catering to the needs of the aircraft owners, guests, and crews. While a LST’s main job duties are focused upon the technical services provided to the aircraft (fueling, towing, parkin...