| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | RD | Danger area restriction | | | CA | activated | | | / | | | 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 | | | 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 |
| | TEMPORARY DANGER AREA ( TDA ) EGD174A ACTIVATED.AERONAUTICAL INFORMATION PUBLICATION SUPPLEMENT 093 / 2026 REFERS.BEYOND VISUAL LINE OF SIGHT UAS OPERATIONS CONTAINED WHOLLY WITHIN THE TDA.EMERG SVC AND MILITARY OPERATIONS REQUIRING IMMEDIATE ACCESS TO THE TDA SHOULD CONTACT HEATHROW RADAR ON 125.625MHZ.FOR OTHER CREWED AIRCRAFT OR VISUAL LINE OF SIGHT OPERATIONS ACCESS,CONTACT THE OPERATING 72 HOURS PRIOR TO OPERATIONS COMMENCING ON + 44 1332 319137 OR VIA EMAIL TO FLIGHTOPS.UK ( AT ) MATTERNET.COM.FURTHER DETAILS VIA : WWW.NATS-UK.EAD-IT.COM /. AR-2026-4900 / 54. |
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