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Term Definition
A Booking class - use varies depending upon airline
A&M Avios & Money (formerly known as Part Cash Part Miles)
A3 Aegean Airlines
AA American Airlines
Aangels complimentary term for Admirals Club agents
AATMS Advanced Air Traffic Management System
AC Air Canada OR Aircraft (also Heavy AC Very large aircraft, such as the 747, 767 and 777) OR Admiral's Club (American Airlines)
ACARS Aircraft Communication Addressing and Reporting System
ACAS Airborne Collision Avoidance System
ACCRUAL The accumulation of frequent traveler program miles and points through actual travel, partner bonuses and special promotions.
ACMI Aircraft lease with Aircraft, Crew, Maintenance and Insurance
ACTUAL MILES The physical distance that a flight covers. When calculating actual miles, class of service, elite-level status and other bonuses are not included. To view the airmile distance between airports, visit http
AD Airworthiness Directive, an FAA rule regarding specific aircraft safety issues
ADC Air Data Computer
ADS Automatic Dependant Surveillance, advanced GPS based navigation system
ADT Adult Passenger
AF Air France
AFAIK Internet lingo meaning "As Far As I Know"
AFFINITY CARD Credit or charge cards in partnership with a particular airline or hotel frequent travel program. Charges to the card earn miles or points, which either accrue directly into the associated program or can be transferred into it.
AFS American Flagship Service
aft rear of aircraft
AFTN Aeronautical Fixed Telecommunication Network
AG AAdvantage Gold(also GLD)
AGR Amtrak Guest Rewards
AHRS Attitude and Heading Reference Systems
AIRPORT ACCESS FEE The fee paid to an airport by a car rental company for the privilege of operating its vans and buses within the airport facilities. This fee is usually passed on to the renter.
AIRPORT CODE A three-letter code used to identify an airport. Example DEN = Denver International Airport.
Airport Code Can be IATA 3 letter code or 4 letter ICAO code (Rome Da Vinci International Airport at Fiumicino is both FCO and LIRF. ICAO codes are used by air traffic control and for airports that do not have 3 letter IATA codes (used by airlines and most FlyerTalkers)
AIT AdvancedImagingTechnology. Used instead of the older term "WBI" because too many people realized that "whole body imaging" meant they could see your whole body.
ALLIANCE A group of airlines that allow frequent flyer program members to earn miles or points and enjoy special benefits when flying with any participating airline. The miles or points can, in turn, be used for an award ticket on any of the alliance airlines.
AM Aeromexico
Amadeus Ticketing IT system used by bmi and many others
AMENITY KIT The small toiletry packs most airlines offer International Business and First Class passengers.
American Eagle Provides regional jet service on the West Coast with Los Angeles as its hub for Delta Air Lines.
ANA All Nippon Airways
ANA Tool ANA's FFP website which allows you to check reward inventory for most *A airlines (detail & guide)
AONE oneworld explorer ticket in First
AOR for app-o-rama, which is applying for a bunch of card offers in a short burst of time or "app-o-rama" spelled out.
APEX Advance Purchase Excursion fares, usually the lowest available. Must be purchased in advance (usually 7-30 days) and include stay restrictions.
APOLLO Electronic reservations system used by many airlines and travel agents.
AQ Aloha Airlines
ARINC Aeronautical Radio, Inc.
ARTCC Air Route Traffic Control Center (Area Control Centre outside of USA)
AS Alaska Airlines
ASA Atlantic Southeast Airlines.
ASM Available Seat Mile
ASR Advance Seat Reservation / Airport Surveillance Radar
ATB Automated ticket/boarding pass. An electronically generated ticket which also includes the boarding pass.
ATC Air Traffic Control
ATI Anti-Trust Immunity
Atlantic Southeast Airlines An Atlanta-based regional subsidiary of Delta Air Lines once wholly owned by Delta Air Lines.
ATO Airport Ticket Office
ATPCO Airline Tariff Publishing Company
AUCTION An award sale through which program members use their miles to bid against each other for a one-time only award that often involves attending special events or meeting famous people.
AVIATION TRUST FUND A federal reserve of tax monies levied on airline tickets and operations and set aside to improve the U.S. air transportation system.
AVML Asian/Hindu vegetarian: a meat-free, spicy meal. Does not contain fish, shellfish, meat, poultry or eggs, available on all BA longhaul flights and short route in business class
AVOD Audio and Video On Demand
AWARD Free airline ticket, hotel stay or night, car rental, merchandise, traveler's check or gift certificate. Depending on the program, awards may be tickets or certificates that must be redeemed at ticket counters, hotel front desks, car rental desks or specific merchandise outlets. The latest form of award redemption is through program Web sites.
AY Finnair
AZ Alitalia