Listed below are all the IATA Message Types. Refer to the IATA SSIM Manual for an exact definition, or below for a short description.
IATA Message Types | Description |
ACK | Acknowledgment. |
| ADM | Change of existing information expressed by the use of Data Element Identifier Only. |
| CNL | Cancel flight. |
| CON | Change of Aircraft Configuration/Version. |
| DEL | Delete flight. |
| EQT | Change of equipment information. |
| FLT | Change of Flight Designator. |
| NEW | New flight. |
| REV | Revision of Period of Operation and/or Day(s) of Operation. |
| RIN | Reinstatement. |
| RPL | Multiple changes to the same flight, e.g. TIM+EQT. |
| RRT | Change of routing. |
| TIM | Change of time information. |
There are a few internal IATA Messages Types available for N-OC.
Internal IATA Message Types | Description |
| DayMove | When a flight changes day of operation after day move with Adhoc Exit. |
| ScheduleSplit | After a schedule is split using Adhoc Edit or Schedule Edit. |
| ProjectChange | When a change to a project is done (such as adding, removing, and changing). |