FLOCK 4P-3 is a CubeSat (3U) satellite manufactured by PLAN and owned by PLAN, launched on November 27, 2019, from SRILR launch site using the PSLV-XL launch vehicle. The satellite measures 0.3 meters in length, has a diameter of 0.1 meters, and spans 0.3 meters. It has a dry mass of 5.7 kg and was launched with the same mass. Equipped with PS0, PS1 or PS2 imaging payload (Dove 2304), it is powered by solar cells and batteries. Its mission purpose is technology demonstration, and its expected lifetime varies between approximately one year in an ISS orbit and two to three years in a Sun-Synchronous Orbit (SSO). The satellite's shape is described as box-shaped with two panels.