Naval Aircraft Factory XOSN information

The Naval Aircraft Factory XOSN was an American biplane observation floatplane developed by the Naval Aircraft Factory for the United States Navy during...

Naval Aircraft Factory (NAF) was established by the United States Navy in 1918 in Philadelphia, Pennsylvania. It was created to help solve aircraft supply...

and over the next several months was evaluated against the Naval Aircraft Factory XOSN, another conventional biplane, and the Vought XOS2U, a mid-wing...