| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | SP | Approach control service (APP) | | | XX | miscellaneous plain language | | | / | | | 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 | | | E | En-Route information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 022 | 2200 feet QNE | | | / | | | Centre Latitude | 5334N | 53° 34' North' | | Centre Longitude | 00021W | 0° 21' West | | Radius of area affected | 003 | 3 nautical miles |
| | AIRCRAFT OPERATING WITHIN 20NM OF AERODROME ARE REQ TO CALL HUMBERSIDE RADAR ON CH 119.130 DUE HUMBERSIDE RADAR OPERATING USING BACKUP SECONDARY RADAR WITH REDUCED LOW LEVEL COVERAGE.AIRCRAFT MAY NOT BE VISIBLE DUE REDUCED SURVEILLANCE COVERAGE AT LOW LEVEL. |
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