| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | XX | Miscellaneous | | | XX | miscellaneous plain language | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | M | Miscellaneous | | | / | | | Scope | A | Aerodrome information | | | W | Navigational Warning | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 030 | 3000 feet QNE | | | / | | | Centre Latitude | 5109N | 51° 9' North' | | Centre Longitude | 00145W | 1° 45' West | | Radius of area affected | 006 | 6 nautical miles |
| | VIRTUAL TEST TRANSPONDER WILL OPERATING WITHIN 5NM RADIUS 510830N 0014511W BOSCOMBE DOWN,FALSE STATIONARY AIRCRAFT INDICATIONS MAY SHOW |
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