| 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 | A | Aerodrome information | | | E | En-Route information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 003 | 300 feet QNE | | | / | | | Centre Latitude | 5130N | 51° 30' North' | | Centre Longitude | 00002E | 0° 2' East | | Radius of area affected | 001 | 1 nautical miles |
| | LONDON CITY OBSTACLE ADD NEW CRANES TO AERODROME OBSTACLES-IN APPROACH / TAKE-OFF AREAS OBSTACLE ID : 09 / APPROACH 27 / TAKE-OFF TYPE : CRANE 1 POSITION : 513010.1N 0000143.3E ELEVATION / HEIGHT : 216FT ABOVE MEAN SEA LEVEL / 208FT ABOVE GROUND LEVEL LIGHTING : YES-STEADY RED REMARKS : SILVERTOWN QUAYS OBSTACLE ID : 09 / APPROACH 27 / TAKE-OFF TYPE : CRANE 2 POSITION : 513011.8N 0000144.0E ELEVATION / HEIGHT : 219FT ABOVE MEAN SEA LEVEL / 206FT ABOVE GROUND LEVEL LIGHTING : YES-STEADY RED REMARKS : SILVERTOWN QUAYS UK AERONAUTICAL INFORMATION PUBLICATION EGLC AERODROME 2.10 REFERS. |
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