Ground operation of aircraft
11.—(1)  A relevant operator must ensure that an aeroplane is not taxied on the movement area of any aerodrome unless the person at the controls of the aeroplane —
(a)is an appropriately qualified pilot; or
(b)is duly authorised by the operator, or the operator’s designated agent, upon the operator or designated agent being satisfied that —
(i)the person is fully competent to taxi the aeroplane;
(ii)the person is qualified to use the aeroplane’s radio communication equipment if radio communications are required;
(iii)the person has received instruction from a competent person on —
(A)the current layout of the aerodrome; and
(B)where appropriate, information on the routes, signs, markings, lights, signals and instructions sent by the appropriate air traffic control unit, phraseology and procedures involved; and
(iv)the person is able to conform to the operational standards required for safe movement of the aeroplane at the aerodrome.
(2)  A relevant operator must ensure that —
(a)a helicopter rotor is not turned under power for the purpose of flight except by an appropriately qualified pilot; and
(b)a helicopter rotor is not turned under power for any purpose other than flight except by a person who —
(i)is duly authorised by the operator or the operator’s designated agent; and
(ii)has been provided with training, and has been briefed, on the procedures to be followed.