Da Vinci sketched a parachute in 1485 which was then created around 300 years later in the 18th century.  This invention has saved thousands of people's lives who would have died if it was never created.

Da Vinci was also one of the first people to sketch a helicopter which he sketched in around the 1480s even though the first helicopter was not built until the 1940s. The version he sketched is very similar to the ones that are flying nowadays.

Da Vinci drew The Flying Machine (A.K.A ornithopter) around 1505. When he was studying and making folios about the flight of birds and how the mechanics of a bird works to make it fly. Afterwards he sketched The Flying Machine and people nowadays think it could and could not have worked.