The Gulfstream IVSP is an executive jet. The developer was Gulfstream Aerospace. It was based on a Gulfstream IV aircraft. This model features improved flight performance without increasing the weight of the machine. It features a redesigned wing, fuselage, tail unit, landing gear, which increased the mass during landing and takeoff, as well as the flight range. The payload of this airliner was increased by 1134 kg.