This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties. العربية ∙ беларуская (тарашкевіца) ∙ čeština ∙ Deutsch ∙ Ελληνικά ∙ English ∙ español ∙ français ∙ Bahasa Indonesia ∙ italiano ∙ 日本語 ∙ 한국어 ∙ македонски ∙ Nederlands ∙ português ∙ русский ∙ sicilianu ∙ slovenščina ∙ ไทย ∙ Tiếng Việt ∙ 中文（简体） ∙ 中文（繁體） ∙ +/−

This image is a photograph from San Diego Air & Space Museum at Flickr Commons. According to the museum, there are no known restrictions on the publication of these photos. No known restrictionsNo known restrictions on the publicationfalsefalse

This image was originally posted to Flickr by San Diego Air & Space Museum Archives at https://flickr.com/photos/49487266@N07/4590332706. It was reviewed on 2017-08-03 19:08:21 by FlickreviewR, who found it to be licensed under the terms of the No known copyright restrictions, which is compatible with the Commons. It is, however, not the same license as given above, and it is unknown whether that license ever was valid.

This image, originally posted to Flickr, was reviewed on 8 April 2012 by the administrator or reviewer Materialscientist, who confirmed that it was available on Flickr under the stated license on that date.

Transferred from en.wikipedia to Commons by The Bushranger using CommonsHelper.

• 2012-04-08 16:28 Bzuk 550×293× (59050 bytes) {{Information |Description=Burnelli CBY-3 Loadmaster |Source=[http://www.flickr.com/photos/sdasmarchives/4590332706/sizes/o/in/photostream/ Source] |Date=c. 1950s |Author=San Diego Air and Space Museum Archives |Permission=GNU Free Documentation Licens...