IAI Heron | Aviation Week Network
The Israel Aerospace Industries (IAI) Heron is a Group 5 UAS powered by a single Rotax 914 4-cylinder piston engine supplying 115 hp (86 kW) of power to the propeller. Since its inception the family has spawned a variety of scaled up or down derivatives with different powerplants, including the Heron TP, Super Heron HF, Heron MK. II and Tactical Heron. As of the time of this writing, more than 160 Herons are in service with military operators worldwide.
Source: aviationweek.com