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 tamén desenvolveu o LongRanger de sete prazas, que posteriormente ofreceuse cunha versión de dous motores chamada TwinRanger, mentres que Tridair Helicopters ofrece unha conversión semellante do LongRanger chamada Gemini ST.