| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | FA | Aerodrome | | | XX | miscellaneous plain language | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | N | For immediate attention of aircraft operators | | | 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 | 5321N | 53° 21' North' | | Centre Longitude | 00217W | 2° 17' West | | Radius of area affected | 005 | 5 nautical miles |
| | CREWS SHALL CALL AIR TRAFFIC CONTROL WITHIN THE TARGET OFF BLOCKS TIME AND TARGET START UP APPROVAL TIME WINDOWS FOR DEPARTURE.FAILURE TO REPORT WILL RESULT IN TARGET OFF BLOCKS TIME AND TARGET START UP APPROVAL TIME BEING DELETED. |
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