Boeing engine started in 1943 and Boeing's gas turbines were designated models 502 (T50), 520 (T60), 540, 551 and 553. Boeing built 2,461 engines before production ceased in April 1968. Many applications of the Boeing gas turbine engines were considered to be firsts, including the first turbine-powered helicopter and boat. Vertol Aircraft Corporation was acquired by Boeing in 1960, and was reorganized as Boeing's Vertol division. The twin-rotor CH-47 Chinook, produced by Vertol, took its first flight in 1961. This heavy-lift helicopter remains a work-horse vehicle to the present day. In 1964, Vertol also began production of the CH-46 Sea Knight.
Chinook Point Pacific Northwest. A military reservation was established at Chinook Point in 1864, but was not significantly developed. It was not until 1898, when both the Spanish–American War and heightened tension with Britain over the Alaska boundary dispute prompted formal development. Chinook Point is now part of Fort Columbia State Park, which is in turn part of the Lewis and Clark National and State Historical Parks, a series of parks preserving and commemorating sites related to the Lewis and Clark Expedition. Chinook Point Chinook Point is a headland in Pacific County, Washington. Located just northwest of the mouth of the Columbia