PROTOTYPE MILITARY AIRCRAFT, 1913 - Ignaz “Igo” Etrich of Bohemia designed an aircraft with a distinctive bird-like look. The Taube was taken by German aircraft manufacture Rumpler for use during the early part of World War 1, which broke out in July 1914.
AIR LIMOUSINE, 1913 - Ignaz “Igo” Etrich of Bohemia (then part of the Austrian Empire), designed and built the world’s first enclosed passenger airplane. It carried one pilot and three passengers. The forward section was covered by aluminum skin and had celluloid windows for the comfort of the passengers.