| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | FA | Aerodrome | | | 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 | 5137N | 51° 37' North' | | Centre Longitude | 00106W | 1° 6' West | | Radius of area affected | 005 | 5 nautical miles |
| | FROM POINT WEST TO THE AIR TRAFFIC CONTROL TOWER,PERSONNEL AND EQPT OPERATING ON WESTERN GRASS NORTH OF THE MECHANICAL TRANSPORT ( MT ) ROUTE.EQPT AND A TEMPORARY STRUCTURE WILL REMAIN ON THE GRASS OVER NIGHT |
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