MD-11 can only fly 12 hours?

[Kyle.Plane]

Yes, it is correct according to this:

Infinite Flight Fuel Burns (Estimates): XCub & TBM Added!

I have spent some time going through each of the aircraft that we have available to us and brought all of the fuel burns for all of the aircraft to one location. With these fuel burns is provided an Estimated Flying Time or EFT. This is the amount of time you could expect flying. The fuel burn and the EFT is provided in app under the weight and balance page. All I did was transfer what was given to an excel spreadsheet. As for the cruising speeds, I tested these speeds over a period of time to e…