I'm afraid that there IS a half yearly promotion list - perhaps you were told that there wasn't to avoid the sorrow associated with telling you bad news about your non-appearance?
I dimly remember something about there not being one this Jul though - or perhaps the madness that is sweeping across Defence has eaten my brain too?
For those with Intranet access - you can prove that my first para is correct by going to
http://www.manning.raf.r.mil.uk/revi...f_yearly_1.htm
And for those who can't access Intranet, the clue is at the end of the title!