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IATA Airline Ticket Numbers  
User currently offlineStandby87 From Switzerland, joined Jul 2001, 536 posts, RR: 3
Posted (5 years 7 months 3 weeks 2 days 13 hours ago) and read 33634 times:

Can anyone tell me how to translate a ticket number?

Example - one of my own E-Tickets edited slightly

724 2117 777 256

I know :

724 = IATA 3-digit "Ticketing Plate" code for Swiss International Airlines.

I thought:

21 = Electronic Ticket, or maybe that's just Swiss procedure

The rest of the numbers I don't know, but I know ranges are allocated (how??) to each GDS and each Sales Office. I smell an IATA agreement of course...

The last of the 13 digits above is a Check Digit.
Take the leading 12 digits, divide by 7 and the remainder is the 13th digit.

What else is standard?
Have I got the check-digit screwed up?

Ah, Mr Google has turned up with an entire Book on Check Digit calculations:

"Identification Numbers and Check Digit Schemes"
By Joseph Kirtland

If anyone has a quick and ready guide, please let me know!

[Edited 2008-08-28 13:20:41]

10 replies: All unread, jump to last
 
User currently offlineViscount724 From Switzerland, joined Oct 2006, 24075 posts, RR: 22
Reply 1, posted (5 years 7 months 3 weeks 2 days 7 hours ago) and read 33559 times:

Quoting Standby87 (Thread starter):
Can anyone tell me how to translate a ticket number?

When I was issuing paper tickets manually many years ago, which I did for my first 3 years in the airline industry, apart from the 3-digit IATA accounting code at the beginning identifying the issuing airline, and the final check digit, if memory correct the first digit after the accounting code matched the number of flight coupons in the ticket form being used (1, 2 or 4 at the airline I worked for), and the remainng 8 digits were just sequential serial numbers as on any other type of ticket or document requiring a unique number.

[Edited 2008-08-28 19:23:10]

[Edited 2008-08-28 19:23:57]

User currently offlineSkyguyB727 From , joined Dec 1969, posts, RR:
Reply 2, posted (5 years 7 months 3 weeks 2 days 4 hours ago) and read 33518 times:

Quoting Standby87 (Thread starter):
Example - one of my own E-Tickets edited slightly

724 2117 777 256

In your example above, the first three digits of the document number (211) indicate the type of form. For example, a trip pass, an MCO, an automated ticket, and a PTA would all have their own unique, three digit form number. By looking at the first three digits of a document number, an agent could identify the type of document. The remainder of the number (7 777 256) is the serial number.

[Edited 2008-08-28 22:25:41]

User currently offlineCragley From Australia, joined Jul 2004, 426 posts, RR: 0
Reply 3, posted (5 years 7 months 3 weeks 2 days 3 hours ago) and read 33508 times:

001 = AA
005 = CO
006 = DL
012 = NW
014 = AC
016 = UA
027 = AS
037 = US
041 = JQ
044 = AR
045 = LA
047 = TP
050 = OA
053 = EI
055 = AZ
057 = AF
064 = CZ
072 = GF
074 = KL
075 = IB


User currently offlineHa763 From United States of America, joined Jan 2003, 3596 posts, RR: 6
Reply 4, posted (5 years 7 months 3 weeks 1 day 1 hour ago) and read 33335 times:
Support Airliners.net - become a First Class Member!



Quoting Standby87 (Thread starter):
The last of the 13 digits above is a Check Digit.
Take the leading 12 digits, divide by 7 and the remainder is the 13th digit.



Quoting Standby87 (Thread starter):
Have I got the check-digit screwed up?

There are only 7 check digit numbers. They are 0, 1, 2, 3, 4, 5, and 6. Using your number, 724 2117 777 256, the next numbers would be:

724 2117 777 260
724 2117 777 271
724 2117 777 282
724 2117 777 293
724 2117 777 304
724 2117 777 315
724 2117 777 326
724 2117 777 330
724 2117 777 341
and so on


User currently offlineStandby87 From Switzerland, joined Jul 2001, 536 posts, RR: 3
Reply 5, posted (5 years 7 months 1 week 5 days 19 hours ago) and read 33144 times:

Thanks everyone,

Quoting Ha763 (Reply 4):
There are only 7 check digit numbers. They are 0, 1, 2, 3, 4, 5, and 6

Surely you mean 6? 1->6 inclusive.

It's a Modulus 7 check, so it can never be Zero because there's no remainder 0 case when you divide by a prime number 7?

I honestly got Maths A-Level, but it was 25+ years ago!


User currently offlineN6168e From United States of America, joined Sep 2007, 48 posts, RR: 0
Reply 6, posted (5 years 7 months 1 week 5 days 19 hours ago) and read 33122 times:



Quoting Standby87 (Reply 5):
It's a Modulus 7 check, so it can never be Zero because there's no remainder 0 case when you divide by a prime number 7?

Ha763 is correct. 7 mod 7 is Zero. See http://en.wikipedia.org/wiki/Modulo


User currently offlineStandby87 From Switzerland, joined Jul 2001, 536 posts, RR: 3
Reply 7, posted (5 years 7 months 1 week 4 days 1 hour ago) and read 32994 times:

Doh! I go back to school and reattach my head.

Here is the girl I sat next to all those years ago (no joke, no wind-up):

http://en.wikipedia.org/wiki/Fay_Dowker

[Edited 2008-09-10 00:52:50]

User currently offlineXPJets From United States of America, joined Feb 2007, 103 posts, RR: 0
Reply 8, posted (5 years 7 months 1 week 4 days 1 hour ago) and read 32975 times:
Support Airliners.net - become a First Class Member!

Adding to the list:

003 - KL



GO SIOUX!
User currently offlineJano From Slovakia, joined Jan 2004, 823 posts, RR: 4
Reply 9, posted (5 years 7 months 1 week 3 days 15 hours ago) and read 32884 times:

Also 064 = OK, not CZ


The Widget Air Line :)
User currently offlineJBo From Sweden, joined Jan 2005, 2308 posts, RR: 0
Reply 10, posted (5 years 7 months 1 week 3 days 15 hours ago) and read 32866 times:

YX = 453

Adding more to the list.



I'd take the awe of understanding over the awe of ignorance any day.
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