Yokosuka E5Y

Yokosuka E5Y
Role reconnaissance seaplane
National origin Japan
Manufacturer Yokosuka Naval Air Technical Arsenal
Introduction 1930
Number built 20


The Yokosuka E5Y (long designation: Yokosuka Navy Type 90-3 Reconnaissance Seaplane) was a single-engine Japanese seaplane used for reconnaissance. The E5Y was also built by Kawanishi as the E5K (long designation: Kawanishi Navy Type 90-3 Reconnaissance Seaplane)

Development

The Yokosuka Type 90-3 (E5Y1) was a second-generation seaplane with a 450 hp (340 kW) engine based on an updated Yokosuka E1Y, developed at the Yokosuka Naval Arsenal in Kanagawa Prefecture, featuring two externally mounted floats. The Japanese Navy initially designated it as the Yokosuka Navy Type 14-2 Kai-1 Reconnaissance Seaplane, but production was undertaken by Kawanishi as the Kawanishi Navy Type 90-3 Reconnaissance Seaplane.[1] [2] By 1932, the Aichi AB-6 was under development to replace the E5Y / E5K seaplanes.

Two pre-production Type-14-2 Kai-1-Ds, powered by the Bristol Jupiter were built by Kawanishi under the company name Kawanishi Type G. Seventeen production aircraft were built as the Kawanishi Navy Type 90-3 Reconnaissance Seaplane (E5K1).

Operational history

On 25 May 1932 the IJN Seaplane Tender-Oiler NOTORO re-equipped with Kawanishi Navy Type 90-3 Reconnaissance Seaplanes as well as other tenders and battleships of the IJN. The E5K saw action during the Shanghai Incident from 28 January - 3 March 1932.[3] The Japanese seaplane tender Kamoi carried a complement of 12 E5Y aircraft.

Variants

Yokosuka Navy Type 14-2 Reconnaissance Seaplane Kai-1
Prototype of the later Type-14-2 and Type 90-3 production aircraft, powered by a 450 hp (340 kW) Bristol Jupiter VIII radial engine.
Yokosuka Navy Type 14-2 Reconnaissance Seaplane Kai-1-C
Initial production aircraft powered by 450 hp (340 kW) Lorraine 12E Courlis W-12 water-cooled engines.
Yokosuka Navy Type 14-2 Reconnaissance Seaplane Kai-1-D
Later prototype aircraft with Jupiter engines in a lengthened nose.
Yokosuka Type 90-3 Reconnaissance Seaplane
Designation of production aircraft to have been built by the Yokosuka Naval Arsenal (Yokosho)
Kawanishi Type G
Company designation for two pre-production Type 14-2 Kai-1-Ds
Kawanishi Type 90-3 Reconnaissance Seaplane
Seventeen production aircraft, initially powered by Jupiter engines, with some later being re-engined with Hiro Type 91 520 hp water-cooled W-12 engines
Yokosuka E5Y1
Short designation of aircraft built at the Yokosuka Naval Arsenal, (a.k.a. Yokosho E5Y1)
Kawanishi E5K1

Short designation for the production aircraft built by Kawanishi

Specifications (Type 90-3 / E5Y1 / E5K1)

Data from [2]

General characteristics

Performance

Armament


References

  1. "Imperial Japanese Navy Aircraft". J-aircraft.com. Retrieved 18 May 2011.
  2. 1 2 Mikesh, Robert; Shorzoe Abe (1990). Japanese Aircraft 1910–1941. London: Putnam. pp. 278–279. ISBN 978-0-85177-840-2.
  3. "Japanese Auxiliary Seaplane Tenders". Combinedfleet.com. Retrieved 18 May 2011.

Further reading

External links

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