Carriage of additional pilots

(1) When an aircraft carries two or more pilots as members of the operating crew– (a) one of them shall, before the flight commences, be designated by the operator of Civil Aviation 111 the aircraft as the senior pilot and the other pilots shall act only under his direction; (b) two pilots shall remain at the controls when the aircraft is departing from or landing at an aerodrome; and (c) at least one pilot shall remain at the controls at all times during flight. (2) A public transport flying machine having a maximum total weight authorised of more than 22,500 lbs. when departing from or arriving at an aerodrome in IFR weather conditions shall carry, to act in the capacity of second pilot and for the particular purpose of assisting the senior pilot during such departure and arrival as aforesaid, a person who is the holder of a commercial, senior commercial or airline transport pilot’s licence (flying machines) including an instrument rating.