Turbine Fuel Low Volatility JP-7, commonly known as JP-7 is a specialized type of jet fuel developed in 1955 for the United States Air Force (USAF) for use in its supersonic military aircraft, including the SR-71 Blackbird and the Boeing X-51 Waverider.
The Pratt & Whitney J58 (JT11D-20) turbojet aero engine, which had a specific fuel requirement; namely JP-7 turbine fuel.
Jet fuel or aviation turbine fuel is a type of aviation fuel designed for use in aircraft powered by gas-turbine engines. It is colorless to straw-colored in appearance. The most commonly used fuels for commercial aviation are Jet A and Jet A-1, which are produced to a standardized international specification. The only other jet fuel commonly used in civilian turbine-engine powered aviation is Jet B, which is used for its enhanced cold-weather performance.
An Airbus A310-300 of Czech Airlines being fueled at Prague Václav Havel Airport
Shell Jet A-1 refueller truck on the ramp at Vancouver International Airport. Note the signs indicating UN1863 hazardous material and JET A-1.
A US Airways Boeing 757 being fueled at Fort Lauderdale–Hollywood International Airport
An Iberia Airbus A340 being fueled at La Aurora International Airport