Light & Engineering Vol. 24, No. 1, pp. 31-35, 2016 Svetotekhnika No. 6, 2015, pp. 4-7 SPORTS ILLUMINATION OF SKI TRACKS IN THE TERRITORY OF THE ROSA KHUTOR FREESTYLE CENTRE Sergei A. Aleksandrov Spektor Lab Open Company, Moscow E-mail: alexandrov@spektor-lab.com ABSTRACT Using the example of the Rosa Khutor freestyle ski centre, part of the Krasnaya Polyana complex, features of lighting design as well as start-up and adjustment work of installations for the sports illumination of ski slopes are described. <...> Keywords: sports illumination, ski slope, freestyle, mogul, ski acrobatics, half-pipe In 2013, Spektor Lab Open Company lighting bureau implemented a project of sports illumination for ski tracks in the territory of the Rosa Khutor freestyle ski centre, part of the Krasnaya Polyana complex. <...> The centre includes tracks for half-pipe, mogul and aerial skiing intended for international level competitions and TV broadcasting in the HDTV format. <...> This article describes the process of designing, assembling and commissioning of lighting installations of sports illumination. <...> CHARACTERISTICS OF SKI TRACKS Freestyle skiing is a sport, which is part of the Winter Olympic Games programme. <...> Varieties of freestyle include mogul, aerial skiing and half-pipe. <...> During the down-run, the athlete must perform two jumps from springboards located on the trail. <...> Three components are 31 assessed: how skilfully the track is passed, speed and the jumps. <...> On the aerial skiing track, the athlete speeding up in the acceleration area must perform as many complex acrobatic jumps as possible from one of three springboards set at different heights. <...> Unlike other tracks, here the judges’ box is placed alongside the track, opposite the springboards, and not at the finishing line. <...> Tracks intended for training and regional level competitions, as well as those for recreational skiing, are minimally illuminated to provide for the use of tracks at night. <...> However, for international competition tracks, which attract thousand spectators through TV broadcasts, illumination which enables competing in the hours of darkness, for the most influential broadcasting hours, is important. <...> Ski tracks described in this article are certainly not the first, of their kind and level in Russia, but they are the first which have had such <...>