24 e, airport, art, asw, aviation, black, blue, cloud, crocodile, ec 635- ila, helicopters, impact, in a simple, is designed to detect, ka- 27, kamov, king, mi- 8, mi-24, mi-28n, mi-35m, military transport, multi-purpose, navy, next to a depth of 500m, night, of "berkut", of the blade, off, okb kamov, photo, plane, planting, s-61-sh-3, sea, sikorsky, sky, soviet antisubmarine helicopter, track and destroy submarines, transport, united states., was established in the late 70 g