Also, a roll hoop may be placed behind both headrests (usually one on older cars), which is essentially a roll bar spanning the width of a passenger's shoulders.
The attending officer also writes down the flight number and stamps the passenger's boarding pass upon departure with the same stamp that is used for departure.
Optional equipment included power brakes, power steering, front seatbelts, heater, passenger's side remote mirror, bumper guards, bumper guards, wheel covers.
This, for example, makes it easy to find a passenger's seat assignment by a variety of means such as ticket number or name, and provide only the "queried" information.
