Bell also developed a seven-place LongRanger, which was later offered with a twin-engined option as the TwinRanger, while Tridair Helicopters offers a similar conversion of the LongRanger called the Gemini ST.
Bell juga mengembangkan tujuh tempat LongRanger, yang kemudian ditawarkan dengan pilihan twin-engine sebagai TwinRanger, sementara Tridair Helikopter menawarkan konversi yang mirip dari LongRanger disebut Gemini ST.