Sylvain wrote:
Robert M. Gary wrote:

theory the CFII could sit in the back offering advice, not logging
dual,

if he is instructing, he logs the time; nowhere does it say he
has to do it from the front seat...

I think you are stretching the FARs a bit. Are you saying you think its
ok to give instruction when there are dual controls but the instructor
can't access them? I don't think that would hold up in court.

91.109
(a) No person may operate a civil aircraft (except a manned free
balloon) that is being used for flight instruction unless that aircraft
has fully functioning dual controls. ...