Abbreviation

Explanation

APT

Air Passenger Tariffs

AWB

Air Way Bill / consignment note

MCO

Miscellaneous Charges Order

PNL

Passenger Name List (a list of passengers from a booking system)

PNR

Passenger Name Record (record of booking for a passenger)

PTM

Passenger Transfer Message

VIP

Very Important Person (a prominent social or political person)

AC

Aircraft

PAT

Passenger Airline Tariff (a guidelines on international passenger tariffs)

IATA

International Air Transport Association

ICAO

International Civil Aviation Organization