Guide to Visual Flight Rules (VFR) in the UK(46)

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CANP operators who are aware of commercial activities well in advance are encouraged to contact the manager of the UKLFS, as far in advance as possible (01780-783838 Ext 3291 (Attn Ops LF), Tel: 01780-783838 Ext 7402), with as many details of the activity as are available at the time.
 
Due to the closure of the LFBC at weekends, activities planned for the weekend should be notified to the LFBC no later than 1600 hours (local time) on the Friday before, in order to receive warning status against any pre-notified Military flying. This also applies to flights which may enter low level due to the prevailing weather and the nature of the activity.
 
 

Operating Area Boundaries
 
The airspace notified under CANP should not exceed an area bounded by a 2nm radius circle. If more than one area is to be notified, these areas are not to be activated concurrently. In the case of under slung aerial load lifting operations the area should be defined as a corridor extending 2nm either side of intended track from ground level to a maximum of 1000ft AGL. When the route of an under slung load exceeds 20nm it should, wherever possible, be divided into sections not exceeding 20nm in length; an overlap of 20 minutes is acceptable in such circumstances.
 
Pilots of military fixed-wing aircraft flying at an IAS greater than 140kt will avoid areas reported under CANP either laterally or vertically. CANP users should note that military pilots may over fly the reported area by a minimum of 500ft. Thus, for example, if the height of the CANP area is 1000ft AGL, military aircraft may over fly the area at a minimum height of 1500ft AGL. Therefore, the lateral and vertical boundaries that define the area of activity should equate only to the parameters within which the activity is planned to take place and should not build in an allowance as a safety factor.
 
Pilots/operators should note that, other than in exceptional circumstances, the dimensions of a CANP 'avoidance' as defined above are generally not negotiable. Any request for a CANP of non-standard dimensions should be made, as far in advance as possible, to the manager of the UKLFS on either faxusing the numbers listed above.
 
Cancellation and Re-submissions
 
Activities reported under CANP may considerably restrict the airspace available for military low flying training. Thus, in order to maintain the integrity of the CANP system, every reasonable attempt should be made to inform the LFBC as soon as it becomes obvious that an activity previously notified will no longer take place, or that the activity has been completed. Notification of a completed activity should be made irrespective of the time remaining on the CANP.
 
To eliminate the possibility of error, an application must be made in accordance with the aforementioned parameters on each occasion. Re-submission by reference to a previously issued CANP Reference Number will not be accepted by the LFBC.
　
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