Article 4 Introduction of 8.33kHz channel spacing

in sub-paragraph 2(2)(a) in the table, for “when flying at or above flight level 245” substitute “when flying at or above flight level 195”;

in paragraph 4, for the entry relating to Scale A substitute —

“Scale A

Radiocommunications equipment capable of maintaining direct two-way communication with the appropriate air traffic control units on the intended route using the frequencies notified or otherwise designated by the competent authority for that purpose.”.