, also known as Kà Âchi Ryà Âma Airport (), is a regional airport in Nankoku, a city in Kà Âchi Prefecture of Japan. It is located on the southeastern coast, east of the city of Kà Âchi.
The airport has a single runway handling small to medium size aircraft. The two storey terminal building is located to the north side of the runway. The arrivals level is on the first floor and departures on the second. There are 14 retail stores in the small terminal building. There is an observation deck on the third floor of the building. Transportation from the airport is by car, taxi or bus.
KÃ Âchi Airport was originally built in 1944 as KÃ Âchi Airfield for the Imperial Japanese Navy and from 1945 to 1952 the airport was under command of US forces. The airfield became a civilian airport in 1952 and first flights started operating in 1954.
The runway was expanded in 1960 and 1980 and later to to handle larger aircraft.
In November 2003 it became the first airport in Japan to be nicknamed after a person: Bakumatsu period leader Sakamoto Ryà Âma.
On 13 March 2007, All Nippon Airways Flight 1603, a Bombardier Dash 8, on a flight from Osaka to KÃ Âchi, landed safely at the KÃ Âchi Airport after the front wheel of the plane failed to deploy. As a result, ANA's fleet of thirteen Bombardier DHC-8 aircraft were grounded for emergency inspections.