An adjustable arm assembly for use with an outrigger is disclosed that includes a rotating arm tube secured to a lower head, an upper pivoting head operatively engaged to the lower head and an operating barrel, and a crank assembly operatively engaged to the operating barrel and secured to the rotating arm tube. Additionally, the adjustable arm assembly further includes a threaded operating shaft in rotational engagement with the crank assembly, the threaded operating shaft engaging adjustment threads of the operating barrel, and a position indicator tube having a position indicator connected to the operating barrel.