Datei:Loening OL.jpgDescriptionLoening OL.jpg A U.S. Navy Loening OL/OA-1A amphibian, 1923. Date 1923 Source Author Bain News Service Permission (Reusing this file) Other
Datei:Loening OA-1A USAF.jpgDescription: Loening OA-1A Source: National Museum of the United States Air Force https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons