<a href="https://en.wikipedia.org/wiki/Sablatnig_P.III" class="extiw" title="w:Sablatnig P.III">Sablatnig P.III</a> CH-54 of <a href="https://en.wikipedia.org/wiki/Alfred_Comte" class="extiw" title="w:Alfred Comte">Alfred Comte</a>'s flying school at <a href="https://en.wikipedia.org/wiki/D%C3%BCbendorf_Air_Base" class="extiw" title="w:Dübendorf Air Base">Dübendorf airfield</a> near Zürich.
Swissair
CC BY-SA 4.0
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ETH-Bibliothek Zürich, Bildarchiv/Stiftung Luftbild Schweiz / Fotograf: Swissair / LBS_SR02-10072 / CC BY-SA 4.0