FTS 350i-2 Aviation Obstruction Light

The FTS 350i-2 is a medium-intensity aircraft warning light classified to FAA L-864 and ICAO Annex 14 Medium Intensity Type B standards. At just 2.9 lbs, the entire light, controller, and GPS receiver are packaged in a single weatherproof housing — there is no separate controller box consuming space inside the turbine nacelle, which matters when retrofitting into existing installations.

The unit is designed specifically for wind turbines with rotor tip heights below 699 feet, covering the large majority of onshore wind farm builds. It operates at a certified output of 2,000 ±25% effective candela (ECD) in the red spectrum, with field-selectable flash rates of 20 or 30 flashes per minute via a handheld remote controller. Optional infrared LEDs enable compatibility with night vision goggles (NVG) and night vision imaging systems (NVIS) to satisfy FAA AC 150/5345-43J infrared certification requirements — increasingly a procurement requirement for sites near military training airspace.

Surge immunity is rated to 25kA, a figure Flash Technology cites as sufficient to withstand 99% of direct lightning strike events — a critical field-reliability metric given turbine hub-height exposure. The unit's Aircraft Detection Lighting System (ADLS) interface port allows integration with radar-based detection systems from suppliers such as Detect and Terma, enabling light activation only when aircraft are in range. IP66 ingress protection covers the full range of operational climates, including the high-humidity coastal and desert environments common across GCC wind resource zones.