February
- 12 February - The world's first successful heavier-than-air aircraft engine, which will power the Wright brothers' first airplane in December 1903, runs for the first time in Dayton, Ohio.
- 16 February – Traian Vuia presents to the Académie des Sciences of Paris the possibility of flying with a heavier-than-air mechanical machine and his procedure for taking off, but is rejected for being an utopia, adding the comments: The problem of flight with a machine which weighs more than air can not be solved and it is only a dream.
Read more about this topic: 1903 In Aviation