Airliners, or 1 (passenger) planes, differ from light planes not only in 2 (size) but also in speed and equipment. They are designed to 3 (carry) a greater number of people over longer 4 (distances) without stopping to refuel.A passenger airliner has a comfortable 5 (cabin) with soft carpets, adjustable upholstered 6 (seats) , washrooms, and individual 7 (air vents) and reading lights. It has a 8 (galley) for preparing food. Many airlines offer 9 (tourist) , or economy class service, which costs less than first-class travel.The 10 (cruising speed) of four-engine airliners range from about 350 mph for propeller-driven planes to more than 500 mph for 11 (jet-propelled) planes.The 12 (crew) of an airliner works as a team to make the trip smooth and pleasant. While the passengers take their seats, the pilot or 13 (captain) , co-pilot, flight engineer, and stewardesses prepare the plane for 14 (flight). The pilot, assisted by the 15 (co-pilot) , checks the instruments and tests the controls. The 16 (flight engineer) checks the other mechanical equipment. The stewardesses check the 17 (passenger list) , make sure that the passengers fasten their 18 (safety belts) for 19take-off . Later, the 20 (stewardesses) distribute magazines, serve meals, and do other things to make the 21 (trip) enjoyable.
