| 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 | 002 | 200 feet QNE | | | / | | | Centre Latitude | 5222N | 52° 22' North' | | Centre Longitude | 00028E | 0° 28' East | | Radius of area affected | 001 | 1 nautical miles |
| | CAUTION : MOBILE ELEVATED WORKING PLATFORM ERECTED POSITION 522206.7N 0002812.4E ( WATER TOWER,LOCATED 1502FT NORTH OF RUNWAY 10 / 28 CL ) MAXIMUM HEIGHT 144FT ABOVE GROUND LEVEL / 174.8FT ABOVE MEAN SEA LEVEL. |
|
