| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | PO | Obstacle clearance altitude | | | CH | changed | | | / | | | Traffic | I | IFR 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 | 5109N | 51° 9' North' | | Centre Longitude | 00011W | 0° 11' West | | Radius of area affected | 005 | 5 nautical miles |
| | AERODROME 2.EGKK-8-1 ILS / DISTANCE MEASURING EQUIPMENT RUNWAY 08R OBSTACLE CLEARANCE ALTITUDE ( H ) FOR CATEGORY I ILS AMENDED TO READ : CATEGORY A 338 ( 142 ) CATEGORY B 349 ( 153 ) CATEGORY C 364 ( 168 ) CATEGORY D 384 ( 188 ) UK AERONAUTICAL INFORMATION PUBLICATION AERODROME 2.EGKK 8-1 REFERS. |
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