| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | MX | Taxiway(s) | | | XX | miscellaneous plain language | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | M | Miscellaneous | | | / | | | Scope | A | Aerodrome information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 999 | Unlimited | | | / | | | Centre Latitude | 5315N | 53° 15' North' | | Centre Longitude | 00432W | 4° 32' West | | Radius of area affected | 005 | 5 nautical miles |
| | SINK HOLE ON SOURTHERN EDGE OF AIRCRAFT SERVICING PLATFORM 3 IN VICINITY OF OF TAXIWAY ALPHA POSITION 531459N 0043200W WITHIN 10M SQUARED AREA AS MARKED OUT BY BAD GROUND MARKERS.NO AIRCRAFT TO TAXI OR PARK OVER THIS AREA. |
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