Just as another point of view,
I sometimes execute a run in and break at my home airfield as a nice way to end a sortie.
If I intend to do one, I always pre-brief ATC before the sortie and ask their permission.
I never break into the circuit if there are anymore than 2 other a/c in the cct.
Being ex-mil, I am tempted to use "Initials" and "On the break to roll/land" etc, but only I would know what they mean (unless there were anly other ex mil/current mil in the cct). My preferred "civvy phraseology" is:
"Long final, low approach to go around, request low level cct "
Verbose I know, but gives everyone else in the circuit the big picture. Air Traffic seem quite happy with this.
Although it is common sense, PPL's should be wary about run and breaks unless taught and demo'd. It is very easy to overcook it and stitch up others in the circuit by poor judgement. Watch that stalling speed too!
PS for those that know me, my home flying airfield is not Ice Station Zebra!!!!
[ 06 August 2001: Message edited by: The Jaguar Fan Club ]