@Falo
it worked all cheats you've created
[Infinite Vehicle Health (On)]
08000000 006730DC 52800009 B8296808
[Infinite Vehicle Health (Off)]
08000000 006730DC 4B090109 B8696809
works in noexes, but untested as code, about the jetpack, i didn't even start any mission yet, so i can't test if this code works:
[Infinite Jetpack]
580F0000 044BA350
780F0000 00000E68
640F0000 00000000 3F800000
it worked all cheats you've created