Here is how to jump to any mission in any of the tours:

 For starters make a backup copy of your pilot (PLT) file and
 then open up the original using a hex editor. Search for the
 following hex offsets and then replace them with the
 suggested values below:

 0189 08 gives you the B-Wing Maze badge
 03F3    change value to 00-12 for tour 4 missions 1-18
 03F4    change value to 00-12 for tour 5 missions 1-18
 03F5    change value to 00-12 for tour 6 missions 1-18
 03F6    change value to 00-12 for tour 7 missions 1-18