| Significance | Code | Meaning |
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| 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 | 5121N | 51° 21' North' | | Centre Longitude | 00034W | 0° 34' West | | Radius of area affected | 005 | 5 nautical miles |
| | PILOTS DEPARTING AERODROME WHEN FAIROAKS RADIO CLOSED,INCLUDING HEL INBD TO ASCOT,MUST CONTACT FARNBOROUGH AIR TRAFFIC CONTROL ON 01252 526015 BEFORE FLT DUE HEL OPERATING AT ROYAL ASCOT ( AIC Y059 / 2026 REFERS ). |
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