Hot air balloons.

There are little cables at the side of the hot air balloons to make it still, there is bucket for the passengers. We think the hot air balloons need hot air to float up in the air. There are usually different pictures in the envelope. You need to stand still so the bucket won't wiggle from side to side. The people on the ground are called chase crew and they talk to the pilot on two different ways radio. The hot air balloons don't usually fly at night because they might get caught in a power line. After the hot air balloon is filled with hot air the hot air balloon needs to be tied to the ground to stop it floating away. Hot air balloon are a larger flyer machines. The first hot air balloon flyer is in France 1783.