| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | WS | Burning or blowing gas | | | LW | will take place | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | M | Miscellaneous | | | / | | | Scope | W | Navigational Warning | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 021 | 2100 feet QNE | | | / | | | Centre Latitude | 5308N | 53° 8' North' | | Centre Longitude | 00227W | 2° 27' West | | Radius of area affected | 001 | 1 nautical miles |
| | VENTING OF HIGH PRESSURE GAS WITHIN 0.5NM RADIUS OF 530822N 0022720W ( HOLE HOUSE GAS VENTING SITE,WARMINGHAM ). REINSTATEMENT OF PREVIOUSLY DECOMMISSIONED SITE AWAITING PERMANENT AERONAUTICAL INFORMATION PUBLICATION ENTRY.FOR INFO 01270 411342.AR-2026-5292 / 04. |
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