1
a passenger aircraft with one passenger aisle and a cabin width of three to four meters (10-13ft).
2
a small short-haul aircraft that transports fewer than 100 passengers.
3
a passenger aircraft with two passenger aisles and a cabin width of five to seven meters (16-20ft).
4
an aircraft that is intended for non-military uses.
5
a short-haul aircraft that carries fewer than twenty passengers.
6
a small-haul aircraft designed to transport fewer than 100 passengers.
7
a short- to medium-haul regional airliner powered by a turbofan engine.
8
a way of categorizing airline tickets and their corresponding seats according to their price and relative levels of comfort and service.
9
a turbine engine that propels an aircraft by driving a fan.
