Editing Plane Crazy (section)

== Copyright and preservation status ==
The silent version was copyrighted on May 26, 1928, eleven days after it was test screened.<ref>{{Cite book |title=Catalog of Copyright Entries, 1928 Dramatic Compositions Motion Pictures For the Year 1928 Vol 1 Part 1 |year=1928 |pages=2730 |publisher=U.S. Govt. Print. Off. |url=https://archive.org/details/catalogofcopyrig11libr/page/148/}}</ref> The copyright for the silent version was renewed on March 14, 1956.<ref>{{Cite journal |title=Catalog of copyright entries. Ser.3 pt.12-13 v.9-12 1955-1958 Motion Pictures. |journal=Catalog of Copyright Entries.musical Compositions |year=1891 |pages=54 |url=https://babel.hathitrust.org/cgi/pt?id=mdp.39015084451130&view=page&seq=270}}</ref> The sound version was copyrighted on August 9, 1930, and was renewed on December 16, 1957,<ref>{{Cite book |title=Catalog of Copyright Entries 1957 Motion Pictures And Filmstrips Jan-Dec 3D Ser Vol 11 Pts 12-13 |year=1957 |pages=117 |publisher=U.S. Govt. Print. Off. |url=https://archive.org/details/catalogofcopyrig3111213li/page/117}}</ref> but the copyright on the title card of the film says 1929 (MCMXXIX).<ref>{{cite AV media |date=1929 |title=A Mickey Mouse Sound Cartoon: Plane Crazy |url={{fullurl:File:Plane Crazy (SILENT).webm}} |publisher=Walt Disney Studio |quote=Copyright MCMXXIX}}</ref> It is unknown to what extent changes were made between the original silent version and the sound version.

The silent version of the film entered the public domain in the United States on January 1, 2024. The sound version entered the public domain on January 1, 2025 according to [[Copyright Term Extension Act|current U.S. copyright law]].<ref>{{cite web |last1=Jenkins |first1=Jennifer |title=Mickey, Disney, and the Public Domain: a 95-year Love Triangle |url=https://web.law.duke.edu/cspd/mickey/ |website=web.law.duke.edu |publisher=Duke Center for the Study of the Public Domain |access-date=1 January 2024}}</ref>