[Commemorative letter regarding commissioning of Boeing 737-300 flight simulator "Brien S. Wygle," circa 1990]

Commemorative letter regarding the commissioning of the "Brien S. Wygle," a Boeing 737-300 flight simulator, circa 1990. The simulator was named in Wygle's honor when he retired from Boeing as Vice President of Flight Operations on January 1, 1990. The letter includes a brief history of Wygle's career at Boeing. One typed page.