| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | MN | Apron | | | 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 | 5057N | 50° 57' North' | | Centre Longitude | 00121W | 1° 21' West | | Radius of area affected | 005 | 5 nautical miles |
| | REPLACE APRON PCN WITH PCR VALUES AS FOLLOWS : STAND 2-4 PCR 360 / F / B / W / U STAND 5 PCR 560 / R / C / W / T STAND 6-14 PCR 171 / F / C / W / U REPLACE TAXIWAY PCN WITH PCR VALUES AS FOLLOWS : TAXIWAY A ( BTN A1-A5 ) PCR 250 / F / C / X / U TAXIWAY A ( NORTH OF A5 ) PCR 290 / F / C / X / U TAXIWAY B PCR 350 / R / B / W / U TAXIWAY CUL-DE-SAC PCR 360 / F / B / X / U UK AERONAUTICAL INFORMATION PUBLICATION EGHI AERODROME 2.8 REFERS. |
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