D-5850. No date, but copy 1 is stamped Sep 28, 1945 and is issue no. 52. Copy 2 has "Editors' copy" handwritten on title page. This manual supersedes BAC preliminary manual no. 8485 as referenced in MANACT.B65.XF8B-1.1.
On front cover: "November, 1929" and "Issued by Engineering Department."
"Manufactured for United States Navy Department Bureau of Aeronautics." -- t.p.