PNR
Passenger Name Record, otherwise known as a Reservation
LNIATA
Line Terminal Interchange Address Terminal Address
ETA
Estimated Time of Arrival
FLIFO
Flight Information
PSS
Passenger Service System
EDIFACT
Electronic Data Interchange For Administration, Commerce and Transport
MFA
Multi-Factor Authentication
DCS
Departure Control System
UMNR
Unaccompanied Minor
EMD
Electronic Miscellaneous Document
ACARS
Airborne Communications Addressing and Reporting System
CUSS
Common Use Self- Service
ESAN
Emotional Support Animal
CASS
Cockpit Access Security System
PDC
Post Departure Control
ATPCO
Airline Tariff Publishing Company
CCB
Change Control Board
GPU
Ground Power Unit
CASM
Cost per Available Seat Mile
SHORT SPINE
S- Seats
H- Hawaiian Miles Account Number
O-Other Service Information (OSI)
R- Remarks/Received from field
T-Ticket Time Limit/Ticket/ TSA Pre-check
S- Secure Flight Passenger Details (SFPD)
P- Phone number
I- Itinerary
N- Name
E- Email Address
S- Special Service Request (SSR)
APHIS
Animal Plant and Health Inspection Services
Architecture Review Board
CNAR
Customer Needing Extra Room
IATA
International Air Transport Association
ARNK
Arrival Not Known-"Open Jaw" Booking