i found out that the 767-300 with pratt and whitney engines (Engine Rating PW4062) burns during cruise flight at mach 0,70 about 13,000 lbs per hour (plane not fully loaded with pax, freight and fuel), my take off weight was about 236.000 pounds + pax and freight weight (loaded with FSX passengers addon)



i took this data from a flight from EDDF to LEPA (distance 698 nm) + 1 hour reserve fuel. (37,000 lbs loaded on take off) in Frankfurt Main.