HSD Jets HSD Jets F-16 6kg Turbine Foam Jet, Belgian (PNP, no turbine)HSD Jets HSD Jets F 16 6kg Turbine Foam Jet, Belgian (PNP, no turbine) Q: What does PNP mean? A: It means the aircraft has equipment already installed and tested, for example: servos, ESC, power system, landing gear, control system (UBEC is included but no power supply), light cables (according to the model of aircraft), but clients will have to supply or buy a remote control, receiver, battery, and charger themselves. The aircraft is 90% installed.