Helicopters can go straight up, straight down, and even hover in one spot.
The spinning blades on top act like fast wings. That lets a helicopter stay still in the air, like a big buzzing bee.
More facts about Air Vehicles
Airplanes have big wings that help them stay up in the sky.
A hot air balloon floats because the warm air inside is lighter than cool air.
A glider is a plane with no engine that rides on the wind.
Planes have flashing lights so other planes can see them at night.
The Airbus A380 is the biggest passenger plane, with two full floors of seats.