Gulfstream G150Gulfstream G150 airplane model. The Gulfstream G150, manufactured by Israel Aircraft Industries, began production in 2005 and quickly became a favorite in the mid size market. With the longest range at the fastest speed and an advanced avionics suite, the G150 provides the most value in its class. A total of 123 Gulfstream G150 aircraft have been manufactured with 119 of them in operation. Gulfstream Aerospace recently announced it has sold the last