- Air Nippon (AAN) is a regional airline based in Tokyo, Japan. It operates domestic flights within Japan as well as international flights to nearby destinations. AAN is a subsidiary of All Nippon Airways (ANA) and is a member of the Star Alliance. The airline was founded in 1974 and has a fleet of regional aircraft including Embraer E-Jet series and Bombardier CRJ series. Air Nippon offers a full-service experience with amenities such as complimentary meals and beverages on longer flights.