Artikel 40 Radioreglement 1979

Article 40 Working hours of stations 40.1 § 1 Every station of the aeronautical mobile service and the aeronautical mobile- satellite service shall have an accurate clock correctly regulated to Coordinated Universal Time (UTC). 40.2 § 2 The service of an aeronautical station or an aeronautical earth station shall be continuous throughout the period during which it bears responsibility for the radiocommunication service to aircraft in flight. 40.3 § 3 Aircraft stations and aircraft earth stations in flight shall maintain service to meet the essential communications needs of the aircraft with respect to safety and regularity of flight and shall maintain watch as required by the competent authority and shall not cease watch, except for reasons of safety, without informing the aeronautical station or aeronautical earth station concerned.