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29/1/18 D4Y3 inaccurate name

  • Suggestion Moderator

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1. A detailed description of the issue you have encountered.


The D4Y3 in War Thunder doesn't have a completely accurate name. D4Y3's equipped with the Type 2 13mm Machine gun (MG131) were known as D4Y3a's to separate it from the 7.92mm armed D4Y3's.


2. Attach the Client Log of the session in which the error occurred. If the problem is persistent, attach the latest one available.


If the problem is pertaining a text or localization issue, please add the following information to your opening post:

3. The language you are referring to. If language is not English, please clarify meaning.




4. If applicable, the full name of the vehicle affected.




5. The text passage that you see as erroneous, as well as a description on where to find it.



Aircraft name (Tech Tree, Stat card, In battle, In hanger)


6. Your founded suggestion for a correction. If language is not English, please clarify meaning of your suggestion.

Change the in-game name from D4Y3 to D4Y3a (More correct way would be D4Y3 Ko)

7. Add screenshots visualizing your sources and the situation you are reporting. Include conceptual screenshots if applicable.




Page 676 in The Illustrated encyclopedia of 20th century weapons and warfare, Volume 7


Edited by Miki_Hoshii
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  • Senior Technical Moderator



We need 2 books / historical sources when not using a OEM document as reference.


Could you please find another reference as such naming to make it entirely compliant and passed to devs ?



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I agree with the OP.

Since the D4Y3 in the game is equipped with 13 mm type 2 flexible machine gun (MG 131), the historical name is D4Y3a.

However, if it conforms to the rules of the names of other Japanese Navy aircraft already in the game, it will be D4Y3 Ko.

Historically correct is D4Y3a. "Ko" is used in official model name.



Historical documents:






假稱 彗星三三型: Tentative name, Suisei Model 33  (D4Y3)
Navy Carrier Dive bomber (Equipped with Kinsei engine 61 model or 62 models)

假稱 彗星三三甲型: Tentative name, Suisei Model 33 Ko (D4Y3a)
A variant equipped with a single 13 mm type 2 flexible machine gun above the rear of the Suisei Model 33 (D4Y3).


Summary of military secret order: category-5 aviation (軍極秘内令提要:第5類 航空). Ministry of the Navy (Japan) (海軍省). November 1944. Page 8.

JACAR(Japan Center for Asian Historical Records)Ref.C13072067300, (National Institute for Defense Studies)





Books 1:





Japanese military aircraft photograph collection. Ushioshobokojinshinsha Co., Ltd, December 2001. ISBN-13: 978-4769812258. Page 258-259.



Books 2:







"Abbreviated Sign"


It is made up of "Alphabet / Arabic numerals / Alphabet / Arabic numerals" 4 characters.


1st Alphabet: Role
2nd Numerals: How many prototypes were made in Role
3rd Alphabet: Prototype Manufacturer
4th Numerals: Remodeling order (For prototypes only 1, every time a new production model is adopted and it is adopted 2, 3, 4 and so on.)


In order to distinguish mainly armed differences, "Ko", "Otsu", "Hei", "Tei" is added in the official model name, 
but abbreviated sign adds lower case letters alphabetically after the fourth arabic numerals in order from "a".
(Example: "Mitsubishi Zero fighter Model 52 Otsu" is A6M5b.)










Japanese military aircraft dictionary 1910-1945 Navy version. Written by Shigeru  Nohara. March 2005. ISBN-13: 978-4871496544, Page 168-169.

Edited by *tester188
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  • Senior Technical Moderator

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  • Suggestion Moderator

Yes; tester is correct. D4Y3a is mostly used in western sources; but the correct official name would be D4Y3 Ko given that other aircraft in WT use that naming scheme.

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