| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | OB | Obstacle | | | TT | trigger NOTAM | | | / | | | 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 | | | E | En-Route information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 003 | 300 feet QNE | | | / | | | Centre Latitude | 5056N | 50° 56' North' | | Centre Longitude | 00124W | 1° 24' West | | Radius of area affected | 001 | 1 nautical miles |
| | TRIGGER NOTAM-AERONAUTICAL INFORMATION PUBLICATION SUPPLEMENT 029 / 25 WITH EFFECT FROM 01 MAY 25 UFN.SOUTHAMPTON AIRPORT ( EGHI )-CRANE OPERATING IN THE VICINITY OF THE AIRPORT |
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