The Airline Coding Directory (ACD) is the official industry source for airline designators, three-digit airline numeric codes and location identifiers. It is published twice a year on June 1st and December 1st.
The Directory also includes ISO currency, country codes, lists contacts for minimum connecting time, coordinators and airlines applying reconfirmation procedures and, as of this year, the Numeric Location Type Code.
Monthly Amendment Bulletins
The bulletins are included with your Airline Coding Directory book. They are available electronically only via web download. Use the username and password printed in your publication.
Monthly Amendment Bulletins Direct Download
Designed for
- Technical/Staff
- Senior Managers
- Middle Managers
- Managers/Supervisors
Data Specifications
These files are now available electronically only via web download through our extranet site. Once you have purchased your 12-month subscription you will be granted access to these downloadable files.
Airline Code Requirements, Guidelines & Application Forms