| Significance | Code | Meaning |
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| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | MR | Runway | | | LC | closed | | | / | | | 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 | 5129N | 51° 29' North' | | Centre Longitude | 00028W | 0° 28' West | | Radius of area affected | 005 | 5 nautical miles |
| | RUNWAY 09L / 27R,RUNWAY 09R / 27L AND HELICOPTER AIMING POINT CLOSED.FOR FLT PLANNING AIRLINES ARE REQ NOT TO USE AERODROME AS AN ALTN.START OF RUNWAY CLOSED WILL BE DELAYED UNTIL SCHEDULE MOVEMENTS ARE COMPLETED.MOVEMENTS DELAYED INTO THE NIGHT QUOTA PERIOD ARE STILL SUBJECT TO AERODROME AUTHORITY APPROVAL.FOR INFO CONTACT AERODROME DUTY MANAGER 02087 457373. |
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