This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Ryan ST. en STs NX In water Built in NX stayed at Ryan as test aircraft Shown with experimental twin floats Color photo with San Diego County Administration building in background Three STs were built and sold to Ecuador ' SDASM cczero Uploaded with Ryan PT in California Aircraft adapted as floatplanes