The French aviso <i>Bapaume</i> was fitted with a 20 m hangar deck and used for flying-off tests by <i>Lieutenant de Vaisseau</i> Paul Teste. Description from Francis Dousset: <i>Les Navire de Guerre Francais</i>, page 65.
<bdi><a href="https://www.wikidata.org/wiki/Q3293765" class="extiw" title="d:Q3293765"><span title="French photographer">Marius Bar</span></a>
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Marius Bar photo