| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | MR | Runway | | | 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 | 5334N | 53° 34' North' | | Centre Longitude | 00021W | 0° 21' West | | Radius of area affected | 005 | 5 nautical miles |
| | RUNWAY 20 FULL LENGTH TAKE OFF NOT AVAILABLE TO JET AIRCRAFT AND TURBOPROP AIRCRAFT OF SB20 SIZE OR LARGER.PILOTS OF THESE AIRCRAFT SHOULD PLAN TO COMMENCE TAKE OFF FROM ABEAM TAXIWAYS BRAVO OR ALPHA.( RUNWAY 20 TAKEOFF RUN AVAILABLE 1827M FROM ABEAM ALPHA ). |
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