Item description:

Using this Trainer:
Launch the trainer first, then launch the Game and then Press F1 at the Main Menu.
Listen for "Activated".
Press desired option key

Options in Promo:
Numpad 4:Unlimited Jetpack

Options:
Numpad 1: Unlimited Health
Numpad 2: Unlimited Ammo
Numpad 3: No Reload
Numpad 4: Unlimited Jetpack
Numpad 5: Unlimited Items/Gadgets
Numpad 6: Super Speed
Numpad 7: Slow Motion
Numpad 8: GodMode Jet Hull

Notes:
Numpad 1: Unlimited Health - toggle on to try and have unlimited combat health. May not prevent scripted deaths. You may have to reload checkpoint if stuck.
Numpad 2: Unlimited Ammo - toggle on and many weapons have unlimited ammo. May not work with all weapons in all situations.
Numpad 3: No Reload - toggle on and many weapons and some items are unlimited or have no need for reload.
Numpad 4: Unlimited Jetpack - in some missions you have ability to jet boost into the air. Use this for unlimited boost.
Numpad 5: Unlimited Items/Gadgets - toggle on and some weapons and many items and gadgets are unlimited or have no need for reload.
Numpad 6: Super Speed - press to speed up the game world to get around faster.
Numpad 7: Slow Motion - press to slow the game to slow motion.
Numpad 8: GodMode Jet Hull - toggle this on while in space jet combat missions to allow your jet to be immune to damage. May work with other vehicles and may work with being on foot as well.