| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | OB | Obstacle | | | CE | erected | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | M | Miscellaneous | | | / | | | Scope | E | En-Route information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 004 | 400 feet QNE | | | / | | | Centre Latitude | 5045N | 50° 45' North' | | Centre Longitude | 00218W | 2° 18' West | | Radius of area affected | 001 | 1 nautical miles |
| | UNMARKED UNLIT MAST OBSTRUCTION POSITION 504507N 0021755W ( TOLPUDDLE,DORSET ) IN LOW FLYING AREA 2 AND NIGHT ROTARY REGION 2.HEIGHT 400FT ABOVE MEAN SEA LEVEL ( 100FT ABOVE GROUND LEVEL ) 26 / 05 / 091 / LFC |
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