IATA Code: BI ICAO Code: RBA Known As: Royal Brunei Airlines Full Name: Royal Brunei Airlines Country: Sultanate of Brunei Hubs: Bandar Seri Begawan Callsign: Brunei Web Site: www.bruneiair.com History: Established on November 18, 1974 Royal Brunei Airlines is the flag carrier for the Sultanate of Brunei.