The Jet Bike is a Helghast vehicle in Killzone. It is a fast attack vehicle though it is encountered during gameplay, it can be seen attacking and hooked up to a type of refueling system. in the mid beginning levels of Killzone a jet bike can be shot down using a turret though riding one is not possible. According to several Helghast Patrols in the jungle the jet bikes belong to the aircavalry and are very prone to accidents. 

Vehicles and Bots in the Killzone Series