Every depiction of future transport since Buck Rogers includes a jet pack, so who are we to mess with invention convention? The Martin Jetpack positions itself as the planet's first practical jet pack.
Ekranoplan Casspian The Russian Tank-Ship-Plane. Not exactly a plane but still cool. It flies just over the water because of ground effect. So it can haul a heavy load very efficiently compared to getting it up to altitude. Or floating.
The Williams X-JET, or “Williams Aerial Systems Platform II”, 1982 The previous WASP was evaluated by The US Marine Corps eight years earlier. This version was extensively tested by the US Army, who turned it down due to - it is believed - the fact.