FFF. .. .Be careful when relying on textbooks for matters of air law. They go out of date very quickly.. .. .Differences training
is required for tailwheel aircraft, according to <a href="http://www.caa.co.uk/docs/175/srg_fcl_gid33.pdf" target="_blank">the CAA FCL's GID33</a>. It was a relatively late addition to the list.