"Aircraft type designators"(PDF). International Civil Aviation Organization. Archived(PDF) from the original on October 31, 2017. Retrieved March 25, 2019.
joebaugher.com
Baugher, Joe (February 9, 2023). "1965 USAF Serial Numbers". joebaugher.com. Retrieved January 20, 2024.
"Aircraft type designators"(PDF). International Civil Aviation Organization. Archived(PDF) from the original on October 31, 2017. Retrieved March 25, 2019.