The Cessna 172 is a single engine high-wing aircraft. It can carry two passengers with a crew of two operating under a Standard Airworthiness Certificate. It is powered by a Lycoming IO-360 engine that produces 180 HP at sea level. The maximum weight of the 172 is 2,550 lbs. NTPS uses the 172 to demonstrate Performance and Flying Qualities flight test techniques to Flight Test Engineer students.