| Significance | Code | Meaning |
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| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | LX | Taxiway centre lights | | | XX | miscellaneous plain language | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | M | Miscellaneous | | | / | | | Scope | A | Aerodrome information | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 999 | Unlimited | | | / | | | Centre Latitude | 5109N | 51° 9' North' | | Centre Longitude | 00011W | 0° 11' West | | Radius of area affected | 005 | 5 nautical miles |
| | TAXIWAY QUEBEC NORTH OF QUEBEC BRAVO AND QUEBEC ALPHA NORTH OF QUEBEC CHARLIE NOW HAS GREEN TEMPORARY STUD CENTRE LINE LIGHTS.DURING LOW VISIBILITY AIRCRAFT WILL REQUIRE LEADER ESCORT |
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