FIELD: optical instrument engineering. SUBSTANCE: helmet sight has unit with two objectives, which have optical axes to be parallel one to the other; the unit is attached to the bottom of the helicopter, as well as two fiber-optic bunches and unit with two eye-pieces, which have optical axes to be parallel one to the other. Eye-piece unit is fastened to top part of the helmet in such a manner, that optical axes of the eye-pieces belong to the plane, which passes through centers of pupils of pilot's eyes at some angle to horizontal plane of sighting and above it. EFFECT: improved efficiency of operation. 2 dwg
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