Article 91(3)
SCHEDULE 9Air traffic controllers—ratings
1—(a) Subject to sub-paragraph (b), the holder of a licence which includes ratings of 2 or more of the classes specified in paragraph 2 of this Schedule shall not at any one time perform the functions specified in respect of more than one of those ratings.
(b)The functions of any one of the following groups of ratings may be exercised at the same time:
(i)the aerodrome control rating and the approach control rating;
(ii)the approach control rating, the approach radar control rating and the area radar control rating; except that the functions of the approach control rating shall not be exercised at the same time as the functions of the approach radar control rating if the service being provided under the latter is 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.
2 Ratings of the following classes may be included in an air traffic controller’s licence (other than a student air traffic controller’s licence) granted under article 92 of the Order and, subject to the provisions of this Order and of the licence, the inclusion of a rating in a licence shall have the consequences respectively specified as follows:
(1) An Aerodrome Control Rating shall, subject to article 92(4) of this Order, entitle the holder of the licence to act as an air traffic controller in the course of the provision of an aerodrome control service but not with any type of radar equipment for which a radar control rating is required under this paragraph.
(2) An Approach Control Rating shall, subject to article 92(4) of this Order, entitle the holder of the licence to act as an air traffic controller in the course of the provision of an approach control service but without the aid of any type of radar equipment.
(3) An Approach Radar Control Rating shall, subject to article 92(4) of this Order entitle the holder of the licence to act as an air traffic controller in the course of the provision of an approach control service with the aid of any type of surveillance radar or precision approach radar equipment for any aircraft which is flying not more that 40 nautical miles from the aerodrome traffic zone of the aerodrome in respect of which the service is being provided.
(4) An Area Radar Control Rating shall, subject to article 92(4) of this Order, entitle the holder of the licence to act as an air traffic controller in the course of the provision of an area control service at a place other than an area control centre with the aid of any type of surveillance radar equipment.
(5) An Area Control Centre Rating shall, subject to article 92(4) of this Order, entitle the holder of the licence to act as an air traffic controller at an area control centre in the course of the provision of an area control service with or without the aid of any type of surveillance radar equipment.