| Significance | Code | Meaning |
|---|
| FIR | EGTT | London FIR | | | / | | | Qualifiers | Q | | | | PN | Noise operating restrictions | | | CH | changed | | | / | | | 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 | 5250N | 52° 50' North' | | Centre Longitude | 00120W | 1° 20' West | | Radius of area affected | 005 | 5 nautical miles |
| | AMEND NOISE ABATEMENT PROCEDURES-TRAINING FLIGHTS PARAGRAPH A TO READ TRAINING REQUIRES THE PRIOR APPROVAL OF AIR TRAFFIC CONTROL.PERMISSION WILL ONLY BE GIVEN FOR SUCH FLIGHTS BETWEEN 0800-1200 AND 1400-1800 ( LOCAL TIME ). TRAINING WILL ONLY BE PERMITTED BY BASED OPERATORS,REGULAR USERS OF THE AIRPORT OR NON-JET AIRCRAFT BELOW 5700 KG MTOW.TRAINING ON SATURDAYS,SUNDAYS AND PUBLIC HOLIDAYS WILL NOT BE PERMITTED EXCEPT BY NON-JET AIRCRAFT BELOW 5700 KG MTOW.UK AERONAUTICAL INFORMATION PUBLICATION EGNX AERODROME 2.21 REFERS |
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