Jet Icarus is a giant robot formed by all five Jet Machines (fighter planes) with the command "Combine! Scram Wing". The toy version was referred to as Celestial Fusion Jet Icarus.

Jet Icarus is able to shoot its fists in the Shot Puncher rocket punch and is equipped with a vast arsenal of melee weapons; including the Icarus Axe battleaxe, the Icarus Crusher flail, the Icarus Magna hammer, the Jet Lancer naginata, the Jet Dagger twin knives, and the Wing Shield formed from the wing structure of Jet Swallow. Its most powerful weapon is the Birdonic Sabre which it uses to finish off giant opponents with a flying slash. In order to form either Jet Icarus or the Icarus Haken, sections of the Jetmen's Corresponder must be detached from the device and inserted into the Bird Lock in their Jet Machines' control panels. In the Philippine Dub, most of Jet Icarus' weapons are renamed as "Jet".