| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | XX | Miscellaneous | | | LW | will take place | | | / | | | 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 | | | W | Navigational Warning | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 029 | 2900 feet QNE | | | / | | | Centre Latitude | 5233N | 52° 33' North' | | Centre Longitude | 00204W | 2° 4' West | | Radius of area affected | 006 | 6 nautical miles |
| | MULTIPLE HEL OPERATING WITHOUT LIGHT WITHIN 5NM RADIUS OF 523327N 0020356W ( BILSTON ). FOR INFO 01912 395390.AR-2026-5515 / 01. |
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