| Significance | Code | Meaning |
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| 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 | 5130N | 51° 30' North' | | Centre Longitude | 00008W | 0° 8' West | | Radius of area affected | 001 | 1 nautical miles |
| | SEARCHLIGHT DISPLAY WITHIN 0.25NM RADIUS OF 513005N 0000826W ( BUCKINGHAM PALACE ). FOR INFO 07710 412 70.AR-2025-3264 / 02. |
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