| Significance | Code | Meaning |
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| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | MP | Aircraft stands | | | LT | limitation | | | / | | | 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 | 5222N | 52° 22' North' | | Centre Longitude | 00029E | 0° 29' East | | Radius of area affected | 005 | 5 nautical miles |
| | HARDSTAND 31A RESTRICTED TO TOW ON / OFF ONLY.CAUTION : PERSONS AND EQUIPMENT IN VICINITY OF .AREA CAN BE VACATED WITH 30 MIN PRIOR NOTICE FOR ENGINE RUNS. |
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