Ok so you will have to move a 324,000 pound block of hi explosives ! From Yeager air port to wright air port it must land and be able to fly again! Link to the Challenge !
no xml or Adding Engine power !
The only thing you can modify are wings !
You will be ranked by
Details 
Flight 
And speed 
You have till June first so get to it!
 
          
Ya I know lol I just thought about that @BogdanX