The NAMC YS-11 was Japan's first post-war aircraft, marking a crucial development in the country's aviation industry. Designed by a collaborative effort among Japanese engineers, the aircraft was a twin-engine turboprop airliner, intended to serve regional routes. After World War II, Japan's aeronautical capabilities were significantly hindered, and the country aimed to revive this sector. The YS-11 was developed in the context of the economic boom Japan would experience in the 1960s, seeking to provide a reliable and efficient transportation option domestically and internationally.

The test flight took place in August, showcasing not only the technical specifications and performance of the YS-11 but also the country's renewed confidence in developing its own advanced technologies. With a seating capacity designed for 60 passengers, the YS-11 catered primarily to the regional market, and its introduction was seen as an opportunity to compete with larger and established players in the aviation industry. The vehicle featured a high-wing design which contributed to its stability and flight performance.

The YS-11 entered service officially in 1965 after a series of rigorous tests and modifications based on the feedback from the initial test flight, which laid the foundation for the ongoing development of Japan's civil aviation sector. While the YS-11 would eventually face stiff competition from foreign manufacturers, it represented a significant step for Japan in regaining its status on the global aviation stage, illustrating the country's technological growth. The aircraft also demonstrated Japan's commitment to building its own commercial airline industry, which transformed over the following decades.