| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | SE | Flight information service (FIS) | | | LT | limitation | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | B | For inclusion in Preflight Infomation Bulletins | | | O | Operationally significant for IFR flights | | | / | | | Scope | E | En-Route information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 999 | Unlimited | | | / | | | Centre Latitude | 5342N | 53° 42' North' | | Centre Longitude | 00120E | 1° 20' East | | Radius of area affected | 095 | 95 nautical miles |
| | SWANWICK ( MILITARY ) EAST WILL ONLY BE ABLE TO OFFER AN AIR TRAFFIC SERVICES TO HIGHEST PRIORITY TRAFFIC AND A SERVICE CANNOT BE GUARANTEED.SQUADRONS ARE REQUESTED TO ENGAGE WITH 78 SQN PLANS AT THE EARLIEST OPPORTUNITY. |
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