| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | MR | Runway | | | HW | work in progress | | | / | | | 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 | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 999 | Unlimited | | | / | | | Centre Latitude | 5129N | 51° 29' North' | | Centre Longitude | 00028W | 0° 28' West | | Radius of area affected | 005 | 5 nautical miles |
| | WORK IN PROGRESS WITHIN THE RUNWAY STRIP OF RUNWAY 09R / 27L BUT OUTSIDE OF THE CLEAR AND GRADED AREAS OF THE RUNWAY. |
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