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Japan's Imperial Navy flag

Japan's Aichi E13A reconnaissance; Navy Type 0 Reconnaissance Seaplane Model 1
Allied Code Name: Jake

Photos

  • Aichi E13A Jake floatplane
  • Aichi E13A Jake floatplane
  • Aichi E13A Jake floatplane

Design

A 1937 specification for a replacement for the Kawanishi E7K2 was issued to Aichi, Kawanishi, and Nakajima. Their designs were to be designated the E13A1, E13K1, and E13N1 respectively.

The E13A1 was designed by Kishiro Matsuo.

Anti-Submarine

Some E13s were fitted with magnetic anomaly detection (MAD) equipment to help find submarines.

Construction

The E13A was of an all metal construction.

Endurance

The Aichi E13A1 could fly for up to 15 hours.

Floats

The E13A had two all metal floats that were attached by two airs of struts. There were rudders on the floats to allow for steering while in the water.

Prototype

The E13A prototype first flew in late 1938. It competed against the Kawanishi E13K in December 1940.

Production

  • Prototype: 1
    • Manufacturer: Aichi Tokei Denki K.K.
  • Aichi E13A1: 1,418
    • Manufacturer: Aichi Tokei Denki K.K. at Funakata (133, 1938-1942), Dai-Juichi Kaigun Kokusho at Hiro (48, 1940 - 1942), Kyushu Hikoki K.K. at Zasshonokuma (1,237, 1942 - 1945)

The Aichi E13A was constructed by the Aichi (only the first 133), Hiro Naval Air Arsenal, and Kyushu Watanabe.

Variants

  • Aichi E13A:
  • Aichi E13A1:
  • Aichi E13A1-K: Trainer.
  • Aichi E13A1a (Model 11A): New float braces and radio. Appeared in November 1944.
  • Aichi E13A1b (Model 11B): Had air to surface radar. Appeared in November 1944.

Usage

In early 1941 the E13A entered service. The E13A was also used for rescue, transport, and attack.

The Aichi E13A was used on Cruisers and flying boat tenders. The E13A1 was on a battleship, twelve cruisers, and four support ships.

By mid-1943 there were approximately 250 E13A1s at sea with the Japanese Fleet.

Units

Pearl Harbor

The Chikuma, Kinugasa, and Tone sent their E13As to reconnoiter Pearl Harbor prior to the attack.

Campaigns

The Aichi E13A was used in the Coral Sea, Midway, and Solomon Island campaigns.

At Midway, mechanical problems with the catapult on one of the ships prevented the Japanese Fleet from finding the American Fleet at dawn on June 4, 1942. Chikuma's E13A1 had engine troubles and had to return from its reconnaissance prematurely.

France

The French Navy used one Aichi E13A after World War II in Indo-China.

Specifications

  Aichi E13A
Type Reconnaissance floatplane
Crew 3
Engine (Type) Mitsubishi Kinsei 43
Cylinders Radial 14
Net HP 1,080
Propeller blades 3
Dimensions  
Span 47' 7"
14.5 m
Length 37'
11.28 m
Height 15' 5"
4.7 m
Weight  
Empty 5,825 lb
2,642 kg
Normal load 8,048 lb
3,650 kg
Maximum load 8,818 lb
4,000 kg
Performance  
Speed at 7,155' / 2,180 m 234 mph
376 kph
Speed - cruising 138 mph
222 kph
Climb to 9,840' / 3,000 m 6.1 minutes
Service ceiling 28,640'
8,730 m
Range 1,298 miles
2,090 km
Armament  
Belly 1: 20 mm
Rear cockpit 1: 7.92 mm MG
Bombs 4: 132 lb
4: 60 kg
OR 1: 550 lb
1: 250 kg
  Aichi E13A1
Type Reconnaissance
Crew 3
Engine (Type) Mitsubishi Kinsei 43
OR Mitsubishi Kinsei 44
Cylinders Radial 14
Cooling Air
Net HP 1,080
Propeller blades 3 metal
Dimensions  
Span 47' 6", 47' 7"
14.5 m
Length 36' 11", 37'
11.2 m
Height 24' 3"
Weight  
Normal load 8,025 lb
Performance  
Speed at 7,155' / 2,180 m 234 mph
Service ceiling 28,640'
Range 1,298 miles
Armament 1: MG
Nose 2: 7.7 mm MG
Cockpit - Rear 1: 7.7 mm Type 92
1 or 2: 7.7 mm MG
Downward Firing - Field Modification 1: 20 mm Type 99 Model 1
Bombs 551 lb
250 kg
OR  
Bombs or Depth Charges 4: 132 lb
4: 60 kg
  Aichi E13A1a
Type Reconnaissance
Crew 3
Engine (Type) Mitsubishi Kinsei 43
Cylinders Radial
Net HP 1,060
Dimensions  
Span 47' 6.875", 47' 6.9"
14.5 m
Length 37' 0.875", 37' 0.9"
11.3 m
Height 24' 3.3", 24' 3.34375"
7.4 m
Wing area 387.499 sq ft, 387.5 sq ft
36 sq m
Weight  
Empty 5,825 lb
2,642 kg
Normal load 8,025 lb
3,640 kg
Maximum load 8,818 lb, 12,192 lb
4,000 kg
Performance  
Speed at 7,155' / 2,180 m 234 mph
377 kph
Speed - Cruising at 6,560' / 2,000 m 138 mph
Climb to 9,845' / 3,000 m 6 minutes 5 seconds
Service ceiling 28,640'
8,730 m
Range 1,298 miles
2,089 km
Armament  
Cockpit - Rear 1: 7.7 mm / 0.303"
Bombs or Depth Charges 551 lb
250 kg

Sources:

  1. Aircraft of WWII, Stewart Wilson, 1998
  2. World War II Airplanes Volume 2, Enzo Angelucci, Paolo Matricardi, 1976
  3. The Encyclopedia of Weapons of World War II, Chris Bishop, 1998
  4. Japanese Aircraft of the Pacific War, René J Francillon, 1970
  5. Jane's Fighting Aircraft of World War II, Bill Gunston, 1989
20th Century American Military History Crucial Site