An air navigation service provider (ANSP) is a public or a private legal entity providing Air Navigation Services. It manages air traffic on behalf of a company, region or country. Depending on the specific mandate an ANSP provides one or more of the following services to airspace users * Air Traffic Management (ATM) * Communication navigation and surveillance systems (CNS) * Meteorological service for air navigation (MET) * Search and rescue (SAR) * Aeronautical information services/aeronautical information management (AIS/AIM).