Exercise of more than one functionU.K.
2.—(1) Subject to sub-paragraphs (2) and (3), the holder of a licence which includes ratings of two or more of the classes specified in paragraph 3 shall not at any one time perform the functions specified in respect of more than one of those ratings.
(2) The functions of the following ratings may be exercised at the same time—
(a)an Aerodrome Control Instrument Rating and an Approach Control Procedural Rating; and
(b)an Aerodrome Control Instrument Rating and an Approach Control Surveillance Rating, provided that the holder shall not exercise the functions of any Radar Rating Endorsement, Surveillance Radar Approach Rating Endorsement or Precision Approach Radar Rating Endorsement included in the Approach Control Surveillance Rating.
(3) When a surveillance radar approach terminating at a point less than 2 nautical miles from the point of intersection of the glide path with the runway is being provided under an approach control surveillance rating, no other function under the approach control surveillance rating shall be exercised at the same time.