Putting aside the different principles behind how they propel themselves through space, the basic concept of a helicopter and a car are quite similar.

• It’s a metal box with machinery, windows, and doors.
• You open a door and get in at the start of your trip.
• You sit at the controls, which you are required to undergo training to use properly and lawfully.
• Other passengers can sit in the rest of the seats and come along with you on the trip.
• You activate the machinery and make the box move where you want, maneuvering along paths and around obstacles.
• At the end of the trip you stop the box in a safe place, switch off the machinery, and get out.