FIELD: ship-building. SUBSTANCE: light source made in form of module with 6-8 or 3-4 light-emitting diodes is mounted in cylindrical lens near its focus. Light-emitting diodes are arranged on board together with adjusting resistors. Board is secured in lamp base. Module is arranged in focusing holder which is connected to power supply source through signal light control device. Blinking device is located in housing secured on navigation mark. According to second version, light source contains one light-emitting diode fitted along vertical axis of lens and circular reflecting prism which is mounted in focal plane of lens for turning the light beam of diode in horizontal plane. EFFECT: enhanced efficiency. 3 cl, 3 dwg
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