Division 8 F1
United Kingdom
Chapter 6 — Air traffic services requirements for communications — Sections 6.1.1.2, of ICAO Annex 11 — Air Traffic Services (14th edition, July 2016, incorporating amendment 50-A).
United Kingdom
Chapter 6 — Air traffic services requirements for communications — Sections 6.1.1.2, of ICAO Annex 11 — Air Traffic Services (14th edition, July 2016, incorporating amendment 50-A).