Addressing size and weight limits of smaller ships, INDAL Manual Aircraft Straighten and Traverse (MAST) system provides safe and secure method of maneuvering and traversing helicopters between flight deck and hangar. This single-operator shipboard Helicopter Handling System (HHS) is track based and controlled using chest pack-mounted Portable Control Unit worn by operator. Unit delivers optimal performance in all weather conditions, day and night, in sea conditions up to sea state 6.