matspart3,,,,,I am also a Radio Amateur and some years ago 'short wave listeners' were using the 'G' register of Radio Hams who were operating mobile (sometimes whilst driving throughout Europe) to break into homes whilst they knew there was a good chance no-one was home.
The Home Office who licenced Radio Amateurs in those days had no option but to offer an ex-directory option of stating 'Info Withheld at Licencees Request' and just printed the basic info of address such as 'West Yorkshire' and no name.
Exactly the same problem can arise with this new CAA register, unlike previous aviation G-Search Engines this one lists FULL home addresses of owners where applicable.
Therefore crooks with scanners can pick up who you are from radio call sign, and your destination, and probably guess how long you will be away from your home, a simple phone call and no answer means trouble.
Most people assume (wrongly?)Private Pilots are rich, therefore prime targets?.