02/28/2007. Remarks by Jack McKillop: "This is aircraft number 6 of Observation Squadron Four (VO-4) in the battleship USS Colorado (BB-45). The vertical and horizontal tail surfaces of the ten aircraft of VO-4 were painted black until 1941. VO-4 was assigned to Battleship Division Four (BatDiv-4) and consisted of the battleships USS Colorado, Maryland (BB-46) and West Virginia (BB-48). The squadron transitioned to Curtiss SOC-1s in 1938."
Read the type remarks on page 11798.