Planes were used for many things. They were obviously used for transportation. Some things they were used for, is to go on vacations, work trips, or even to see people from the other side other world. Planes are fast, so you are able to get to your destination quickly. In the past, planes were used for armies in World War II, they were also used for navy and planting trees. Also, because planes didn't work so well in the past, people liked to take short trips. Those are some things planes were used for.