| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | FA | Aerodrome | | | XX | miscellaneous plain language | | | / | | | 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 | 5335N | 53° 35' North' | | Centre Longitude | 00303W | 3° 3' West | | Radius of area affected | 005 | 5 nautical miles |
| | CHANGE OF AIRCRAFT BOOKING REQUEST PROCESS.24HR PRIOR PERMISSION REQUIRED / PNR REQUIRED.CONTACT WDV-AERODROMEOPERATIONS ( AT ) MOD.GOV.UK.( 01704 ) 872287 X 7557. |
|