It needs mediumaltitude high endurance UAVs to fly over the Mediterranean Sea to control migration from Africa to Europe.
它需要中高，高耐用性无人机飞越地中海，以控制从非洲到欧洲的迁移。
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A compact version will be sold for UAVs and helicopters, and a larger model for medium-altitude, long-endurance drones, ground surveillance and maritime patrol aircraft, Chaltiel said.
紧凑版本将被出售给无人机和直升机，较大版本将被出售给中高空，长航无人机，地面监视和海上巡逻机等。
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The aircraft has an unpressurised cabin and four underpowered turboprop engines, making it only suitable for low- to medium-altitude flight.