Supermarine S.4

Supermarine S.4
Here we see the Supermarine S.4, built for the Schneider Trophy contest of 1925. The aircraft set a new World Speed Record of 226.752mph on a 3km course at Calshot in September 1925, but was lost during the build-up to the contest.
How to cite this article: Rickard, J (18 August 2018), Supermarine S.4 , http://www.historyofwar.org/Pictures/pictures_supermarine_S4.html

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