Delivered to the US Navy as 136567. Sold to the California Department of Forestry as N411DF in 1973 and converted to a firebomber. Damaged in a wheels up landing at Paso Robles, CA in 2001. Preserved at the Estrella Warbirds Museum there in US Navy markings with fake serial 136404.

Ex-US Navy BuNo 136567. This aircraft was retired c.2000 and is now displayed in the Estrella Warbird Museum at Paso Robles Municipal Airport, CA., painted in US Navy colours depicting BuNo 136404, an aircraft that was destroyed on 3rd May 2007 when it collided with power lines whilst making a forced landing near Cherry Point Marine Corps Air Station, NC.

This is in reality 136567 and served at Moffet Field until retirement to AMARC as 1S339. She was rescued from the desert by the California Department of Forestry for use as a fire bomber conversion as N411DF. After a hard landing she was donated to the Estrella Warbirds Museum in 2009.

True serial 136567, and operated as a fire bomber as N411DF.

Built as an S2F-1 but converted later to US-2A and used by NAS Moffett Field as a 'hack aircraft'.