The HAWK-4C satellite, also known as Hawk 4C, was launched on April 1, 2022, from LC40 at the AFETR site using a Falcon 9 launch vehicle. Built by UTIAS and operated by HE360, it uses a Defiant bus configuration and is primarily used for RF spectrum monitoring, SIGINT, and traffic monitoring. The satellite measures 0.5 meters in length with a diameter of 0.4 meters and a span of 1 meter. It has a dry mass of 30 kg and launched at a mass of 31 kg. Its power comes from solar cells and batteries. HAWK-4C is expected to operate for three years, featuring FEES or water thrusters as its motor system. The satellite's shape consists of a box with two panels.