| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | RD | Danger area restriction | | | CS | installed | | | / | | | 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 | 050 | 5000 feet QNE | | | / | | | Centre Latitude | 5140N | 51° 40' North' | | Centre Longitude | 00244W | 2° 44' West | | Radius of area affected | 003 | 3 nautical miles |
| | TEMPORARY DANGER AREA ( TDA ) EGD171B INSTALLED WITHIN AREA BOUNDED BY 513816N 0024504W-514106N 0024604W-514026N 0024028W-513755N 0024255W-513816N 0024504W ( CAERWENT ). BEYOND VISUAL LINE OF SIGHT UAS OPERATIONS AND OPTICAL HAZARD CONTAINED WHOLLY WITHIN THE TDA.FOR INFO 07808 041407 OR CENTRALENQUIRIES ( AT ) DSTL.GOV.UK.BFS 113 / 2026 REFERS.AR-2026-8194 / 09. |
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