 The 515 could be a multi-mission airframe.The design's larger rear door, would be useful when used as a cargo plane, and for launching a small rescue boat, when serving in a search and rescue role.Modern scanner pods would be hung under each wing, enhancing their ability to find those lost at sea, in the search and rescue role, or to identify smugglers, unregistered fishers, or vessels leaking pollutants, in a maritime surveillance role.