Originally Posted by
Flyingmac
I told him I'd landed the same aircraft several times at way over the 'demonstrated', with no problem.
He cancelled, and his friend went home disappointed. Glorious day too. He sat and watched someone else take advantage of the cancellation.
Sounds like a correct decision. The pilot needs to take into account his own capability and experience, as well as that of the aircraft.
(Trying out new things beyond one's previous limits may well be something one sometimes chooses to do either alone or with an instructor, rather than a friend, sitting in the other seat.)