FG-47
The FG-47 (a.k.a. SpaB-54) is a Chinese solid rocket motor burning HTPB. It was developed by China Hexi Chemical and Machinery Corporation (also known as the 6th Academy of CASIC) for use in the Long March 2C SD/CTS/SMA third stage. It had its inaugural flight on the Iridium-MFS demonstration mission on September 1, 1997. It has a total nominal mass of , of which is propellant load. It has an average thrust of with a specific impulse of 288 seconds burning for 35 seconds, with a total impulse of .