Japan Airlines Unzen crash landing accident

日本航空雲仙号不時着事故（にほんこうくううんぜんごうふじちゃくじこ）は、1957年（昭和32年）9月30日に発生した航空事故である. (The Japan Airlines Flight Unzen crash landing accident was an aviation accident that occurred on September 30, 1957)

Information about the accident aircraft
The JA6011 aircraft, which became the accident aircraft, was nicknamed "Unzen". At that time, Japan Airlines' DC-4 was nicknamed after a famous mountain in Japan. The serial number was 42982, which was manufactured in 1946 (Showa 21) and operated by Capital Airlines in the United States. The aircraft code at that time was N53022.

In April 1956, Japan Airlines purchased it for about 700,000 US dollars (252 million yen at that time) and refurbished it to Japan Airlines specifications with 61 seats. By the time the accident occurred, the Unzen was 11 years old and had a flight time of 30,906 hours and 23 minutes, which was not so old as a used aircraft.