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Nakajima E4N

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Nakajima E4N

Nakajima E4N
Role Reconnaissance aircraft
Manufacturer Nakajima
First flight 1930
Introduction }
Introduction 1931
Status out of service
Primary users Imperial Japanese Navy
Japanese Post Office
Produced 1931-1933
Number built 153

The Nakajima E4N was a shipboard reconnaissance aircraft of the Imperial Japanese Navy in the 1930s. It was a two-seat, single-engine, equal-span biplane seaplane.


The first prototype of the Type 90-2 Reconnaissance Seaplane, or E4N1, flew in 1930. This was fitted with twin floats and had no cowling for the engine. This prototype was rejected.

The type was completely redesigned as the Type 90-2-2 or E4N2, with a single main-float and twin, wing-mounted outriggers and introduced a cowled engine. This entered production for the Navy in 1931.

A landplane version of the Type 90-2-2 was developed as the E4N2-C with a tailwheel undercarriage

Operational history

The E4N2 was employed as a shipboard spotter aircraft launched by catapult.

In 1933, nine E4N2-C airframes were converted to P1 mail planes. Single-seat landplanes with an enclosed cockpit, these were employed on night-mail services between the Japanese Home Islands.



(Navy Type 90-2-1 Reconnaissance Seaplane) twin-float seaplane, Nakajima NZ - two prototypes only.[1]

(Navy Type 90-2-2 Reconnaissance Seaplane) - Nakajima NJ single-float seaplane. 85 built.[1]
(Navy Type 90-2-3 Carrier Reconnaissance Aircraft) - Nakajima NJ landplane fitted with arresting gear and fixed-undercarriage. 67 built.[1]
(Navy Type 90-2-3 Reconnaissance Seaplane) Nakajima NJ.[1]
Nakajima P-1
single-seat mailplane. 9 converted from E4N2-C airframes.[1]
Nakajima Giyu-11
One of the two E4N1 seaplanes converted with a cabin for use by Tokyo Koku Yuso Kaisha between Haneda airport, Shimizu and Shimoda.[1]

Specifications (Type 90-2-2)

Data from Japanese Aircraft 1910-1941 [1]

General characteristics


  • 1 × fixed, forward-firing 7.7 mm machine gun and 1 × flexible 7.7 mm machine gun in rear cockpit
  • 2 × 30 kg (66 lb) bombs

See also

Aircraft of comparable role, configuration and era


  1. ^ .
  • Francillon, Réne J. Japanese Aircraft of the Pacific War. London: Putnam & Company Ltd., 1970 (2nd edition 1979). ISBN 0-370-30251-6
  • Mikesh, Robert C. and Abe, Shorzoe. Japanese Aircraft 1910-1941. London: Putnam Aeronautical Books, 1990. ISBN 0-85177-840-2

External links

Media related to at Wikimedia Commons

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