| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | XX | Miscellaneous | | | LW | will take place | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | B | For inclusion in Preflight Infomation Bulletins | | | O | Operationally significant for IFR flights | | | / | | | Scope | A | Aerodrome information | | | W | Navigational Warning | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 999 | Unlimited | | | / | | | Centre Latitude | 5131N | 51° 31' North' | | Centre Longitude | 00008W | 0° 8' West | | Radius of area affected | 002 | 2 nautical miles |
| | SEARCHLIGHT DISPLAY WITHIN 1NM RADIUS OF 513031N 0000742W ( TRAFALGAR SQUARE,LONDON ). FOR INFO 07775 905010 / 07768 556661.AR-2026-4248 / 01. |
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