| 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 REDUCE LEVEL OF SERVICE FOR C-17,C-5,B-1,B-2,B-52,KC-135,MD-11 AND B747.REDUCED LEVEL OF SERVICE PROVIDES SUFFICIENT CAPABILITY FOR INITIAL RESPONSE,SCENE ASSESSMENT AND IMPLEMENTATION OF MITIGATION TACTICS.RLS REPRESENTS INCREASED RISK / LOSS POTENTIAL DUE TO LACK OF EMERGENCY RESPONSE CAPABILITY TO PERFORM RESCUE AND SUFFICIENT MITIGATION TACTICS SIMULTANEOUSLY.OBJECTIVE SMAY NOT BE SUCCESSFUL DURING SITUATIONS WHERE SIMULTANEOUS RESCUE AND FIREFIGHTING ACTIVITIES ARE REQUIRED. |
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