§ 91.1009
Clarification of operational control.
(a) An owner is in operational control of a program flight when the owner—
(2) Has directed that a program aircraft carry passengers or property designated by that owner; and
(3) The aircraft is carrying those passengers or property.
(b) An owner is not in operational control of a flight in the following circumstances:
(1) A program aircraft is used for a flight for administrative purposes such as demonstration, positioning, ferrying, maintenance, or crew training, and no passengers or property designated by such owner are being carried; or
(2) The aircraft being used for the flight is being operated under part 121 or 135 of this chapter.