| Name | Data Type | Definition | |
|---|---|---|---|
| FPL | string | A service that provides flight planning acceptance and distribution to the ATC Unites concerned. | |
| FPLV | string | A service that provides flight planning validation. | |
| ATFM | string | Air traffic flow management service. | |
| CLEARANCE | string | A service providing permissions (entry, landing, overflying, exit, etc.) for a given location. | |
| SCHED | string | Scheduling and slot allocation service. | |
| OTHER | string | Other. |