This is a list of aviation-related events from 1904:
April
- April 1 - Captain Ferdinand Ferber makes a failed attempt to fly an Archdeacon glider at Berck sur Mer , Normandy.
- April 3 - Gabriel Voisin successfully flies a modified Archdeacon glider at Berck sur Mer , Normandy. Voisin added a canard to the design. His longest flight on this day was 25 seconds.
May
- May 23 - First flight of the Wright Flyer II .
June
September
November
- November 9 - Wilbur Wright flies the Wright Flyer II a distance of 3 miles near Dayton, Ohio, the first flight of longer than five minutes.
Events
- The Wrights apply for patents for their flying machine in Germany and France.