Originally delivered to the USAF as SA-16A serial 52-134 and transferred to the USCG as a UF-1G serial 2134. Redesignated to a HU-16E in 1962. at Some point retired and stored at Mojave. Put on the US civil register as N4470W on 09 Dec 1983. Later moved to Lakeport/Kelseyville, CA. Registration cancelled on 01 May 2013.