Jokosuka D4Y - version overview
空技廠 D4Y 彗星 - Kūgishō D4Y Suisei - Yokosuka D4Y Kometa
Japanese name: 彗星 - Suisei - Kometa (Flying Girl)
Allied reporting name: "Judy"
Designation | Aircraft design - description |
Yokosuka D4Y1 13-Shi prototypes | Based on the 1938 13-Shi specifications, 5 prototypes are being built, they are inspired by the Heinkel He-118 V4, but powered by 950hp DB 600G engines, first flight late 1940. |
Yokosuka D4Y1-C | The lightness of the design was excessive, so the first production aircraft were intended for reconnaissance, and they met that requirement with a range of an impressive 3,890 km. |
Yokosuka D4Y1 11 | production from March 1943, bomber version, the 250 kg main bomb was hidden in the bomb bay, under the wings were 2x 30-60 kg bombs. |
Yokosuka D4Y1 KAI 21 | subversion of the previous one, airframe modification consisted in strengthening and mounting of grips for ejection from small aircraft carriers. |
Yokosuka D4Y2 12 [/col] Aichi Atsuta AE1P 32 engine, mounting a higher weight engine necessitated a larger SOP, the D4Y2a 12A subversion had a 13.0 mm machine gun in the rear gunnery. | |
Yokosuka D2Y2-C and Yokosuka D4Y2-Ca | reconnaissance versions with a range of up to 3,420 km, differing from each other in defensive armament. |
Yokosuka D4Y2-S | night fighter version, behind the pilot was a Type 99-2 20 mm cannon firing obliquely upwards. |
Yokosuka D4Y2-R | reconnaissance version for ground bases. |
Yokosuka D4Y3 33 | twin-star fourteen-cylinder Mitsubishi MK8P Kinsei 62, SOP was again slightly increased, bombs up to 3x 250 kg. |
The Yokosuka D4Y3a 33A | was a subversion of the previous version, again with a larger calibre moving machine gun The |
Yokosuka D4Y4 43 | single-seat suicide version with a bomb weight of 800 kg, had 3 solid-fuel rocket engines mounted, which the pilot ignited on final descent to gain speed. |
Yokosuka D4Y5 54 | unmanned prototype with Nakajima NK9B Homare 12 engine, 1x 800 kg bomb, modifications were made based on combat experience with previous versions, passive crew and tank protection introduced. |
Manufacturer | Production period | Units produced |
第一海軍航空技術廠 - Dai-Ichi Kaigun Kōkū Gijutsu-shō at Yokosuka | 1940-1941 | 5 prototypes of 13-Shi |
愛知航空機株式会社 - Aichi Kōkūki Kabushiki Kaisha at Eitoku | Spring 1942 - 04. 1944 | 660 D4Y1 |
04. 1944 - 08. 1944 | 326 D4Y2 | |
05. 1944 - 02. 1945 | 536 D4Y3 | |
02. 1945 - 08. 1945 | 296 D4Y4 | |
第十一海軍航空廠 - Dai-Jūichi Kaigun Kōkū-shō at Hiro | 04. 1944 - 07. 1945 | 215 D4Y1, D4Y2 and D4Y3 |
Total | 2 038 | D4Y |