737-700 Boeing BBJBoeing BBJ 737 airplane model. Boeing Business Jets is a joint venture formed by Boeing and General Electric in July 1996 to develop and market a corporate version of the popular 737 airliner, initially focusing on the 737 700 based BBJ (or 737 700 BBJ). The first BBJ rolled out from Boeing's Renton plant on August 11, 1998 and flew for the first time on September 4 that year. On October 30 the US FAA awarded certification to the developed 737 700