| Significance | Code | Meaning |
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| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | FF | Fire fighting and rescue | | | CG | downgraded | | | / | | | 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 | 5141N | 51° 41' North' | | Centre Longitude | 00147W | 1° 47' West | | Radius of area affected | 005 | 5 nautical miles |
| | FIRE FIGHTING AND RESCUE CAPABILITY HAS BEEN DOWNGRADED TO REDUCED LEVEL OF SERVICE FOR B747-400,B777,B767.AVAILABLE WATER IS EQUAL TO OR GREATER THAN Q1 + Q2 GALLONAGE FOR THE AIRCRAFT.RFFS RESPONSE OBJECTIVES ARE EXPECTED TO BE ACCOMPLISHED FOR INITIAL CONTROL OF THE POOL FIRE AND FULL EXTINGUISHMENT OF THE POOL FIRE.AIRCREW RESCUE IS EXPECTED TO BE PERFORMED.HOWEVER,INTERIOR FIREFIGHTING MAY BE LIMITED DEPENDING ON THE AMOUNT OF WATER AVAILABLE.OBJECTIVES ARE EXPECTED TO BE PERFORMED BASED ON THE INCIDENT PRIORITIES.FIRE FIGHTING AND RESCUE CAPABILITY HAS BEEN DOWNGRADED TO CRITICAL LEVEL OF SERVICE FOR C-5 AND A-380.AVAILABLE WATER IS LESS THAN Q1 + Q2.RFFS RESPONSE OBJECTIVE OF INITIAL CONTROL OF THE POOL FIRE IS EXPECTED TO BE ACCOMPLISHED.FULL EXTINGUISHMENT OF THE POOL FIRE OR INTERIOR FIREFIGHTING IS LIMITED BASED ON THE AMOUNT OF WATER AVAILABLE AND AIRCRAFT SIZE.EFFORTS ARE CONCENTRATED ON LIFESAVING ACTIONS.HOWEVER,ASSETS ARE EXPECTED TO BE LOST. |
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