| 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 | W | Navigational Warning | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 066 | 6600 feet QNE | | | / | | | Centre Latitude | 5209N | 52° 9' North' | | Centre Longitude | 00042E | 0° 42' East | | Radius of area affected | 037 | 37 nautical miles |
| | MULTIPLE HEL OPERATING WITHOUT LIGHT WITHIN AREA BOUNDED BY 521600N 0013700E-521800N 0013800E-523300N 0004800E-523300N 0004000E-521200N 0001400W-515900N 0001400W-521200N 0010000E-521600N 0010800E-521600N 0013700E ( LEISTON ). FOR INFO 07904 987965 / 07903 390702.AR-2026-9688 / 01. |
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