The ANSPs that are monitored during the first reference period are:
| ANSP_NAME |
|---|
| Aena |
| ANA LUX |
| ANS CR |
| Austro Control |
| Avinor |
| Belgocontrol |
| BULATSA |
| DCAC Cyprus |
| DFS |
| DSNA |
| EANS |
| ENAV |
| Finavia |
| HCAA |
| HungaroControl |
| IAA |
| LFV |
| LGS |
| LPS |
| LVNL |
| MATS |
| MUAC |
| NATS (Continental) |
| NAV Portugal (FIR Lisboa) |
| NAVIAIR |
| Oro Navigacija |
| PANSA |
| ROMATSA |
| Skyguide |
| Slovenia Control |