| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | RD | Danger area restriction | | | XX | miscellaneous plain language | | | / | | | 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 | 007 | 700 feet QNE | | | / | | | Centre Latitude | 5132N | 51° 32' North' | | Centre Longitude | 00009W | 0° 9' West | | Radius of area affected | 002 | 2 nautical miles |
| | AERONAUTICAL INFORMATION PUBLICATION SUPPLEMENT 081 / 2026 TEMPORARY DANGER AREA EGD174 : LONDON HEALTH BRIDGE NORTH CENTRAL HUB,23 JULY 2026-23 JANUARY 2027 THE COORDINATES FOR EGD174A SHOULD READ AS FOLLOWS : 513330.59N 0000942.42W-513114.50N 0000640.32W-513103.15N 0000810.41W-513140.75N 0000835.13W-513144.78N 0000813.35W-513313.88N 0001023.94W-513330.59N 0000942.42W THIS NOTAM WILL BE SUPERSEDED BY SUPPLEMENT 093 / 2026 WITH EFFECT FROM 20 / 08 / 2026. |
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