The FLOCK 3R-12 satellite, also known as Alt Name Flock 3r-12, is a CubeSat (3U) configuration manufactured by PLAN and owned by the same entity. It was launched on November 29, 2018, from SRILR using the PSLV launch vehicle with a launch mass of 4.7 kg. The satellite measures 0.3 meters in length and diameter, with a span of 0.3 meters and has no motor except for some variants which have FEEP propulsion. It is equipped with solar cells and batteries for power and carries a PS0, PS1 or PS2 imaging payload designated as Dove 1066. The satellite's purpose is technology-related, and it was launched into an orbit that could last approximately one year in the International Space Station (ISS) orbit and two to three years in Sun-Synchronous Orbit (SSO).