Document no. D-3910. Issue no. 22. Issued on March 21, 1945.
Boeing contract no. NXsa 16848.
"Manufactured by the Boeing Aircraft Company for the United States Navy under contract NXsa 16848."
First edition, November 1942.
SD-84-85. Copy No. 541; Airplane No. 00138.
Includes a card found in the back of the binder in which the manual was originally stored: "Pilot's Mark 4 Gyropilot Check" on one side, "Mechanic's Mark 4 Gyropilot Check" on…