| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | AR | ATS route | | | XX | miscellaneous plain language | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | B | For inclusion in Preflight Infomation Bulletins | | | O | Operationally significant for IFR flights | | | / | | | Scope | E | En-Route information | | | / | | | From flight level | 095 | 9500 feet QNE | | | / | | | Up to flight level | 245 | 24500 feet QNE | | | / | | | Centre Latitude | 5247N | 52° 47' North' | | Centre Longitude | 00007W | 0° 7' West | | Radius of area affected | 049 | 49 nautical miles |
| | AIC Y 045 / 2024-CONTINGENCY ROUTE ( T999 ) FOR USE DURING PERIODS OF EXTREME DISRUPTION-AMEND WAYPOINT NAME ODNEK TO ESHIN.AIC WILL BE REISSUED AS Y 123 / 2025 WITH EFFECT FROM 26 JUNE 2025. |
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