The Cessna 150 is a single engine high wing aircraft modified to act as an Optionally Piloted Aircraft with a safety pilot, operating under an Experimental Airworthiness Certificate. It is powered by a Continental O-200 engine that produces 100 HP at sea level. The maximum weight of the 150 is 1,600 lbs. It is instrumented and can be flown by a ground station operator or the safety pilot. NTPS uses the 150 to conduct Unmanned Aerial Vehicle flight test instruction.