| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | FF | Fire fighting and rescue | | | CH | changed | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | N | For immediate attention of aircraft operators | | | B | For inclusion in Preflight Infomation Bulletins | | | O | Operationally significant for IFR flights | | | / | | | Scope | A | Aerodrome information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 999 | Unlimited | | | / | | | Centre Latitude | 5431N | 54° 31' North' | | Centre Longitude | 00126W | 1° 26' West | | Radius of area affected | 005 | 5 nautical miles |
| | RFFS CATEGORY CHANGES : MON 1720-1845 CATEGORY 7,2200-2245 CATEGORY 7 WED 1105-1150 CATEGORY 7,1455-1800 CATEGORY 7 FRI 1715-1840 CATEGORY 7,2000-2045 CATEGORY 7 SAT 0530-0835 CATEGORY 7 SUN 2140-2225 CATEGORY 7 |
|
