Heh interesting. The airplane must have two pilot stations...but I don't have to be at one of them? :buck:
61.195
(g) Position in aircraft and required pilot stations for providing flight training.
(1) A flight instructor must perform all training from in an aircraft that complies with the requirements of §91.109 of this chapter.
(2) A flight instructor who provides flight training for a pilot certificate or rating issued under this part must provide that flight training in an aircraft that meets the following requirements—
(i) The aircraft must have at least two pilot stations and be of the same category, class, and type, if appropriate, that applies to the pilot certificate or rating sought.
(ii) For single-place aircraft, the pre-solo flight training must have been provided in an aircraft that has two pilot stations and is of the same category, class, and type, if appropriate.