*A: Star Alliance
A: Discounted First booking class
a/w: All white
AACT: AA Candy Thief
AC: Air Canada
AF: Air France
AFF: Australian Frequent Flyer
AM: Aeromexico
AOG: Aircraft on Ground
AQ: Aloha Airlines
AQIS: Australian Quarantine and Inspection Services
AS: Alaska Airlines
ASK: Available Seat Kilometres
ASM: Available Seat Miles
ATB: Automated Ticket/Boarding pass
ATK: Available Tonne Kilometres
AVOD: Audio and Video On Demand
AVOD: Audio Visual On Demand
AY: Finnair
AZ: Alitalia
B6: Jetblue Airways
BIS: Butt in Seat
BW: BWIA West Indies Airways
c/n: constructor's number
CA: Air China
CAA: Civil Aviation Authorities
CASM: Cost per Available Seat Mile
CASR: Civil Aviation Safety Regulations
CI: China Airlines
CIP: Commercially Important Passenger
CIR: Circle Pacific fare
CL: Chairman's Lounge
CO: Continental Airlines
COS: Customer of Size
CRS: Computerized Reservation System
CTO: City Ticket Office
CTOs: City Ticket Offices
CUTE: common use terminal equipment
cx: carriers
CX: Cathay Pacific Airways