Accreditations Accreditations In addition to the above, we pride ourselves on subscribing to the highest standards and safety levels while maintaining these accreditations: South African Civil Aviation Authority (SACAA) ICAO Level 1 State. Meets all ICAO Standards. Basic Aviation Risk Standard (BARS) Increased aviation standards for the resource market. Raised levels of safety, training, oversight, operational control. NAC has achieved BARS GOLD Standard. European Aeromedical Institute (EURAMI) Universal Air Evac is a EURAMI Accredited provider of fixed-wing air ambulance services based at Lanseria International Airport in Johannesburg, South Africa. Long-range, intercontinental fixed-wing accreditation with a medical endorsement in adult critical care.