| Significance | Code | Meaning |
|---|
| FIR | EGPX | Scottish FIR | | | / | | | Qualifiers | Q | | | | RO | Overflying restriction | | | 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 | W | Navigational Warning | | | / | | | From flight level | 000 | Surface | | | / | | | Up to flight level | 016 | 1600 feet QNE | | | / | | | Centre Latitude | 5504N | 55° 4' North' | | Centre Longitude | 00233W | 2° 33' West | | Radius of area affected | 002 | 2 nautical miles |
| | E BAND HIGH INTENSITY RADIO TRANSMISSION AREA ( HIRTA ) OPERATING WITHIN 1NM OF POSITION 550353N 0023253W,( GILSLAND,NORTHUMBERLAND ) LOW FLYING AREA 13 AND NIGHT SECTOR SPADEADAM RANGE OPERATING AREA.MAXIMUM HEIGHT 465FT ABOVE GROUND LEVEL.26 / 10 / 104 / LFC SAFE DISTANCES CIVILIAN AIRCRAFT 0.0252 NM 163FT ABOVE GROUND LEVEL MILITARY AIRCRAFT SUSCEPTIBILITY VERY LOW 0.0254 NM 164FT ABOVE GROUND LEVEL LOW 0.0460NM 289FT ABOVE GROUND LEVEL MEDIUM 0.0749NM 465FT ABOVE GROUND LEVEL HIGH 0.0252NM 163FT ABOVE GROUND LEVEL |
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