Gulfstream Sells Last G150 Finishing 10-Year Production General Dynamics company Gulfstream announces that it has sold its last Gulfstream G150 effectively ending a ten-year production run of the venerable midsize business jet. The jet was sold and is expected to be delivered to the customer in the middle of 2017. For G150 owners have no fear, Gulfstream will still be supplying parts and service for the type even though production is ending. Gulfstream’s fleet of nearly 120 G150s comprises operators in the U.S., Canada, Central America, South America, Europe and Asia. The G150 has a dispatch reliability rate of 99.83 percent and is certified in more than 45 countries, including the U.S., Brazil, Canada, China, England, Germany, Israel and Switzerland.