Flight movement messages relating to traffic into or via the Yerevan FIR shall be addressed as stated below in order to warrant correct relay and delivery.
Note: Flight movement messages in this context comprise flight plan messages, amendment messages relating thereto and flight plan cancellation messages (ICAO Doc 4444 ATM/501).
| Category of flight (IFR, VFR or both) | Route (into or via FIR and/or TMA) | Message address |
|---|---|---|
| 1 | 2 | 3 |
| All flights | into or via Yerevan FIR | |
| - for IFR flights | UDDDZQZX | |
| - for VFR flights | UDDDZFZX | |
| - for both flights | UDDDZRZX | |
| and in addition for flights | ||
| Landing at Yerevan/Zvartnots | UDYZZTZX, UDYZZPZX | |
| Landing at Gyumri/Shirak | UDSGZTZX | |
| Landing at Stepanavan | UDLSZTZX | |
| Landing at Yerevan/Erebuni | UDYEYXYX |