Matsumoto Airport (松本空港) (IATA: MMJ, ICAO: RJAF), also known as Shinshu-Matsumoto Airport, is an airport located 5 NM (9.3 km; 5.8 mi) southwest of central Matsumoto, Nagano Prefecture, Japan. The airport was expanded in 1994 to accommodate jet aircraft. In FY 2013 its load factors passed 70% for the first time since its expansion. The airport and surrounding region cater to mountaineers during summer months and to skiers during winter months. Japan Airlines operated regular service to Osaka until 2010.