Gulfstream II (G-1159) – Twin-engined executive, corporate transport aircraft, with accommodation for up to 14 passengers, powered by two Rolls-Royce Spey RB.168 Mk 511-8 turbofan engines.
Received FAA Type Certificate A12EA on October 19, 1967.
Gulfstream II TT – Modified version with tip tanks, increased range. FAA certified May 13, 1977.
Gulfstream IIB (G-1159B) – Modified version, with the wider, wingleted wings and instruments of the Gulfstream III, Maximum takeoff weight increased to 68,200 lb. or 69,700 lb.
FAA certified on September 17, 1981.
Gulfstream II SP – Aircraft modified by the addition of Aviation Partners winglets.
FAA certified under STC ST00080SE on April 22, 1994.
VC-11A – VIP transport version for the US Coast Guard.