I.J.N. Navy Yokosuka K1Y1 Type 13 Land-Based Trainer, c. 1925.

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I.J.N. Navy Yokosuka K1Y1 Type 13 Land-Based Trainer, c. 1925. The K1Y1 was the wheeled-undercarriage variant of the K1Y aircraft for aircraft carrier training; the original having floats.

“The Yokosuka K1Y, also known as the Navy Type 13 Trainer, was a Japanese single-engined biplane trainer of the 1920s. Designed by the Imperial Japanese Navy Arsenal at Yokosuka, over 100 were built by several manufacturers, the type being used by the Imperial Japanese Navy well into the 1930s.

“In 1924, the Yokosuka Naval Air Technical Arsenal was tasked with designing a replacement for the Imperial Japanese Navy’s Yokosuka I-go Ko-gata and Avro 504 floatplane trainers. The resulting design was a single-engined two-bay biplane of fabric-covered wood construction, powered by a Gasuden-built 130 horsepower (97 kW) Benz six-cylinder water cooled inline engine. The trainer could be fitted with either conventional wheeled landing gear or floats. It first flew in 1925 and was accepted into service as the Navy Type 13 Trainer.

“The type remained the standard floatplane trainer of the Imperial Japanese Navy until it was replaced by the Yokosuka K4Y from 1933, although a few remained in use until the early years of the Second World War.”



Maximum speed: 130 km/h (81 mph, 70 kn)
Endurance: 3 hrs.
Time to altitude: 42 min to 2,000 m (6,600 ft)

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