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Boeing’s Spectrolab is known for providing a range of searchlights for helicopter SAR. At HAI Heli-Expo 2019, Spectrolab introduced two MIL-SPEC products for this market: the Nightsun XPM and the Search Landing Light (SLL) 46-200. The Nightsun XPM is a 1,600-watt searchlight (using a Xenon gas arc lamp) for visible light operations, supplemented by an LED-based IR light array for non- visible light SAR operations. The Nightsun XPM features instant-on lamp ignition, the ability to switch from visible to IR illumination at the flick of a switch, and the ability to integrate with a helicopter’s onboard EO/IR sensors and moving map systems. “It is able to illuminate areas up to a mile away,” said Luis A. Castro, Spectrolab business development manager for Illumination and Sensor Products.


The Nightsun XPM is a 1,600- watt searchlight


“It is able to illuminate areas up to a mile away”


The SLL 46-200 is a high-intensity Par-46 helicopter landing light


“This higher-than-usual air speed rating allows the SLL 46-200 to be deployed at higher altitudes than most other landing lights”


The SLL 46-200 is a high- intensity Par-46 helicopter landing light (250,000 peak candela) that can be used in either visible light or IR modes. The flight deck can control the azimuth and elevation of this steerable LED light, and it has the robustness to be


52 July/Aug 2019


deployable at air speeds up to 200 knots.


“This higher-than-usual air speed rating allows the SLL 46-200 to be deployed at higher altitudes than most other landing lights,” said Castro. “Its range is about 250 feet, which makes it


useful in aerial searches as well as landings.” The SLL 46-200 is designed to be a Par-46 drop-in replacement for many stock helicopter landing lights.


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