Codes for other GDS systems

1A = Amadeus
1B = Abacus
1G = Travelport/Galileo
1P = Travelport/Worldspan
1V = Travelport/Apollo
1S = Sabre (sometimes 1W or AA is used instead depending on Sabre partition booking originated from)
1E = Travelsky (mainly used by travel agents in China and airlines in China)

Just to throw in a few more items for those interested...

While it may vary with various GDS systems, the following are pretty much standard:


OSI = Other Supplementary Information

SSR = Special Service Request with the following items appended:


TKTL = Ticket Time Limit (reservation is on hold before it will automatically cancel if not ticketed

ADTK = Please advise ticket number (sent by carriers to travel agents to warn them that they need to issue the ticket by a certain time otherwise flights would be cancelled)

TKNE 123 1234567890 = Ticketed electronically with e-ticket number 123 1234567890

FQTV = Field for frequent flyer number (for accruing miles to)

FQTR = Field used to show FF number used to redeem the ticket (if award booking)

FQTU = Field used to show FF number used to upgrade ticket

DOCS = Field used to enter secure flight/APIS info. Full name (can be different from name on reservation), passport number, DOB, Sex etc.

DOCO = Field used to enter Known Traveller Number (for PreCheck etc.) / Visa details

RQST = Seat assignment requested

NSSW = Non smoking window seat requested


etc.