Armand Dufaux (1883 - 1941) was a Swiss aviation pioneer who became famous for flying the length of Lake Geneva in 1910. 1883 (MDCCCLXXXIII) was a common year starting on Monday (see link for calendar). ... For the movie, see 1941 (film). ... Aviation refers to flying using aircraft, machines designed by humans for atmospheric flight. ... Lake Geneva or Lake Léman (French Lac Léman, le Léman, or Lac de Genève) is the second largest freshwater lake in Central Europe (after Lake Balaton). ... 1910 (MCMX) was a common year starting on Saturday (link will display calendar) of the Gregorian calendar or a common year starting on Sunday of the 13-day slower Julian calendar. ...

He and his brother, Henri Dufaux (1879-1980) were natives of Geneva. Their first design was a model helicopter weighing 17 kg; this was followed by a large eight-wing plane that was unable to fly, then a third design that crashed on its first flight. Hunters a cool hobo For other uses, see Geneva (disambiguation). ... The Bell 206 of Canadian Helicopters Robinson Helicopter Company (USA) R44, a four seat development of the R22 A helicopter is an aircraft which is lifted and propelled by one or more horizontal rotors consisting of two or more rotor blades. ...

The "Dufaux 4" was their first successful craft. On 28 August 1910, Armand flew it from St. Gingolph to Geneva, taking just 56 minutes and 5 seconds, and winning a prize of 5,000 Swiss francs for the feat. August 28 is the 240th day of the year in the Gregorian Calendar (241st in leap years), with 125 days remaining. ...

Later in 1910, the brothers established an aircraft business, and in 1911, sold their "Dufaux 5" to an 18-year-old Ernest Failloubaz, whose reconnaissance flights were the beginning of Swiss military aviation.

The Dufaux 4 is today on display at the Swiss Museum of Transport. Armand Dufaux was honored on a Swiss postage stamp in 1997, as one of four pioneers of Swiss aviation. A postage stamp is evidence of pre-paying a fee for postal services. ...

References

• Swiss Museum of Transport info on Dufaux
• Geneva air pioneers page, with timeline (in French)