Family 66N is available in Single version (Series 66N MIL), Double version (Series 66ND MIL), Single Arctic version (Series 66N MIL Arctic) and Double Arctic version (Series 66ND MIL Arctic). Arctic versions are intended for use in low temperature areas, and includes a heating foil, on the inside of the glass lens. Series 66ND MIL Arctic covers a complete range of LED Navigation lights for Naval applications for ships from 20 meters in length, and fulfils all requirements of International Regulations for Preventing Collisions at Sea 1972 (COLREG) which are published by the International Maritime Organization (IMO) as well as special Naval requirements, such as NVG compatibility.  The Series 66ND MIL Arctic is developed to meet the specific needs of Naval Ships. It is designed and tested according to MIL specifications for EMC, Shock, and Vibration. The product range also includes special versions with Flashing, Hoisting, Contour and Steering Lights. The Naval Navigation Lights can be grouped and programmed according to customer requirements. SRTP (Safe Return To Port) can also be offered as an option on MIL Navigation Light Systems. Navigation Light voltage is 24V DC, but the Navigation Light Controller Voltage is flexible and the system input power to the Switch Cabinet can be 24V DC, 115V AC or 120-240V AC. The Series 66ND MIL Arctic has Wheelmark (MED Certificate - Approved by DNV). UL1104 and USCG certification pending. For further enquiry, please contact Navy and Coast Guard Sales Team.