He later bought a Blériot XI monoplane, and on January 24, 1913, pioneered in crossing the Pyrenees from Pau to Madrid.
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On November 8 of that year he joined Blériot's aviation school in Pau, situated in the northern Pyrenees.
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While flying a Nieuport 21 fighter—possibly drunk—he attempted to demonstrate his flight knowledge and crashed fatally.
Oskar Kokoschka | Oskar Schindler | Lee Oskar | Paul Oskar Kristeller | Oskar Sima | Oskar Pfister Award | Oskar Luts | Oskar Linnros | Oskar Kohnstamm | Oskar Fischinger | Oskar Eustis | Oskar von Miller | Oskar Vogt | Oskar Sosnowski | Oskar Seidlin | Oskar Schlemmer | Oskar Piotrowski | Oskar Homolka | Oskar Heil | Óskar Halldórsson | Oskar Barnack | Viktor Oskar Tilgner | Oskar von Watter | Oskar von Hutier | Oskar von Hindenburg | Oskar Skarsaune | Oskar Schmiedel | Oskar Sala | Oskar Rohr | Oskar R. Lange |
Oskar Bider was killed in an anccident before the ambitious project was realized, but from Zürichhorn respectively (as of today) the area of the Strandbad Tiefenbrunnen (lido) the Swiss airline Ad Astra Aero operated with seaplanes, among them seven Macchi-Nieuport and five Savoia flying boats and the first large flying boat, Dornier Wal.