| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | RT | Temporary restricted area | | | CS | installed | | | / | | | Traffic | I | IFR traffic affected | | | V | VFR traffic affected | | | / | | | Purpose | 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 | 025 | 2500 feet QNE | | | / | | | Centre Latitude | 5142N | 51° 42' North' | | Centre Longitude | 00042W | 0° 42' West | | Radius of area affected | 012 | 12 nautical miles |
| | RESTRICTED AREA ( TEMPORARY ) INSTALLED ( CHEDDINGTON AERODROME TO LONDON CTR ) AREA H.WITHIN AREA BOUNDED BY : 515150.0N 0004336.0W-515244.0N 0003828.0W-514723.0N 0003601.0W-513611.0N 0003622.0W-513611.0N 0004133.0W THEN ANTI-CLOCKWISE ARC OF A CIRCLE RADIUS 12NM CENTRED 512812.0N 0002713.0W TO 513201.0N 0004525.1W-513201.0N 0004536.0W-513803.0N 0004450.0W-514226.0N 0004110.0W-514409.0N 0004005.0W-515150.0N 0004336.0W APPLIES TO ALL AIRCRAFT INCLUDING ANY SMALL BALLOON,ANY KITE,ANY UAS AND ANY PARACHUTE INCLUDING A PARASCENDING PARACHUTE OR PARAMOTOR.DOES NOT APPLY TO ANY AIRCRAFT FLYING IN ACCORDANCE WITH EXCEPTIONS STATED IN THE BRIEFING SHEET.A BRIEFING SHEET BFS 133 / 2026 WITH CHARTS,REFERS.FURTHER DETAILS WWW.NATS.AERO / AIS.RESTRICTION OF FLYING REGULATIONS MADE UNDER ARTICLE 239 OF THE AIR NAV ORDER 2016.AR-2026-9737 / 08. |
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