This is a all terrain jet the main body I did download but i have modified it to the extent that it works in air, land and sea. Instructions: activation 1) Do Not Touch. activation 2) Controls the side arms (recommended) centeral position for take off lowered position for landing on non runway ground aswell as driving and landing on water the high position for stealth in water. activation 3) Controls the rear jets using vtol. activation 4) Controls all jets onboard using vtol this can aid pitch. WARNING after using each activation stage deactavate as the vtol is used for each activation stage and could lead to a crash. Aswell as this the fuel does not last very long.