Obstruction light for windmill |
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 | Night only operation | Day and night operation | | Red medium intensity B at the top of the turbine. In case of a group of windmills, additional lights should be located every 450 meters at the circumference of the windfarm and be synchronised. | 1 or 2 white medium intensity type A at the top of the turbine. In case of a group of windmills, additional lights should be located every 900 meters at the circumference of the windfarm and be synchronised. |
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OBSTAFLASH WHITE