Safety service (also: safety radiocommunication service or safety-of-life service) is – according to Article 1.59 of the International Telecommunication Union´s (ITU) Radio Regulations (RR) – defined as «A radiocommunication service used permanently or temporarily for the safeguarding of human life and property.»
Few typical examples of safety services are as follows:
(R)° = abbreviation to route flights (route)