SAS, I think the case would be something along the lines of:
What service did you purchase?
A training flight for the purpose of revalidation, which includes an entry in my logbook, signed by an instructor together with the instructors licence number to show that the training had been undertaken.
Did you receive the service you paid for?
No, I received the training but the instructor then refused to sign my log book.
Why did the instructor refuse to sign the log book?
I don't know, I mean I flew into controlled airspace without permission, had a bit of a near miss with a hill & nearly managed to land on the A127 but it was certainly all good training from my point of view. Anyway, as the purpose of the flight was training and that was what I received I can't see why the instructor can't sign off my logbook.
Were you told that there were restrictions on the standard of your flying when you made the contract for the training flight?
No.
Were there any legal restrictions that prevented the instructor signing your log book.
Not to my knowledge, the relevant CAA reference documents merely mention a training flight, they do not define it.
The point of law is whether it was made clear before the flight that a certain standard had to be attained before the training flight was signed off. This standard would of course have to be objectively measurable (such as no barrel rolls below 500ft etc).
Regards, enq.