One other possible outcome of stooging around at 500' agl is that you would be liable to run into, or more correctly, be run into by, some of our blue suit wearing kindred, at about 480kts. West Yorks is a nice place for routing low-level into the Lake District, and during week-days you could watch Jaguars, Tornados, Harriers, Hawks and even the occasional Tucano or Hercules come past you, shaking their fists in derision. mad:
Issuing a NOTAM of intentions to perform actions of this nature would inform the RAF of your location, so that they could either avoid the area, or at least be forwarned of your presence. Unless of course you are up to nefarious activities, in which case there will ba a radar, somewhere, which may be watching your every move. Transponder or no.

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