Language proficiency: ongoing requirements
184.—(1) Subject to paragraph (3), the CAA must ensure that it, or an approved person, assesses the English language proficiency of the holder of an air traffic controller’s licence or a student air traffic controller’s licence at regular intervals.
(2) Subject to paragraph (3), the interval at which the language proficiency of the holder of an air traffic controller’s licence or a student air traffic controller’s licence must be assessed must be no longer than—
(a)three years for a licence holder who demonstrates proficiency in English language to level 4 on the language proficiency rating scale; and
(b)six years for a licence holder who demonstrates proficiency in English language to level 5 on the language proficiency rating scale.
(3) Paragraphs (1) and (2) do not apply to a licence holder who has demonstrated proficiency in English language to level 6 on the language proficiency rating scale.