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)[1] – 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)