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Japanese Aircraft Carrier Operational Status By Month

Editor's Note: The following content is a transcription of a period document or a collection of period statistics. It may be incomplete, inaccurate, or biased. The reader may not wish to take the content as factual.

ww2dbaseLocation, activity, and operational status of Japanese aircraft carriers at the end of each month


Fleet (CV) and Light (CVL) Carriers
Hosho (CVL)CpppppppppppppppppppppppppppppppppppppppppppppppppppBpptppptptptptptptptptptptptptptptptptptptptptptptptptptptptptptptdpvpvpvpvdpvd
Akagi (CV)ppppppppppppppppppppppppppppppppppppppppRpQpppppBLp
Kaga (CVppppppppppppppppppppppppppppppppppppppRpQpppdpdpBLp
Ryujo (CVL)ppppppppppppppppppppppppppppppppppRpQpQpQRpopBppLp
Soryu (CV)ppppppppppppppppppppppppppppppRppppppBLp
Hiryu (CV)ppppppppppppppppppppppppppppRppppppBLp
Zuiho (CVL)CppppppppppppppppppBppopp BpdpdpppppppppppppppopppBppppBLp
Shokaku (CV)CppppRpQppopRpBpdppBpp BpdpdpdpdpppppppppppopppppBLp
Zuikaku (CV)CpppRpQppppBpppoBppBppppppppppppppppppoppBpdpdppBLp
Shoho (CVL)CppppBLp
Junyo (CV)CpBppppBppppppppppppppdpopopopppBpdppppppdpdpdpdpdpdpdpdpd
Hiyo (CV)CpspspsBpdpdpdpdpdppppdpdpdpppppppppLp
Ryuho (CVL)Cpspdpdppppppppppppppppppppppppppdpdpdpdpdpd
Chitose (CVL)CpppppBppppBLp
Chiyoda (CVL)CppppppppBpdpppBLp
Taiho (CV).CpppLp
Unryu (CV)CppppLp
Amagi (CV)CpspspspspspppdpdpdpdLp
Katsuragi (CV)Cpspspspspspdpdpdpdpdpd
Shinano (CV)CLp

Escort Carriers (CVE)
Taiyo (CVE)CpppppppppppppdppppppppppppdpdppopopopoppppLp
Unyo (CVE)CpppppppppppppppppoppppdpdpdpdpdpppLp
Chuyo (CVE)CpsppppppppppppLp
Kaiyo (CVE)CpspppopppppppppppppdpdptptptdL
Shinyo (CVE)CpspspspspspspspsppppLp

Carriers Afloat in the Pacific Theater
Fleet Carriers (CV's)000001122222222334444444444444444444444445666666667344444444444444444444555224444333333322
Light carriers (CVL's)111111111112222222222222222222222333333333333344443332223333333333344455555555522222222222
CV's & CVL's11111223333444455666666666666666677777777899991010101010676667777777777788899101010779966555555544
Escort Carriers (CVE's)000000000000000000000000000000000000000000111111112222223333333333335444444443221111111110
Total Carriers Afloat11111223333444455666666666666666677777777810101010111111111289888101010101010101010101011131213131414141111121187666666654

Carriers Operational in the Pacific Theater
Fleet Carriers (CV's)000001122222222334444444444444444444444445666665556323322223444333443233455013322011000000
Light carriers (CVL's)111111111112222222222222222222222333333333333344433322211223333333344454555455522222011100
CV's & CVL's111112233334444556666666666666666777777778999910998964553344677766678768791010468844233011100
Escort Carriers (CVE's)000000000000000000000000000000000000000000111111112222122333333333123210122343221111001100
Total Carriers Operational1111122333344445566666666666666667777777781010101011101091186765577910101099981010897101212710111065344012200

Abbreviations Used In The Table

1. Action During Month

B: Engaged in one of the six carrier battles
C: Commissioned
L: Lossed due to sinking
Q: Provided air cover for amphibious invasion
R: Engaged in carrier raid

2. Ship Location

a: Atlantic Ocean
g: Artic Ocean
i: Indian Ocean
m: Mediterranean Sea
p: Pacific Ocean

3. Operational Status At End Of Month

d: Non-operational due to combat-related damaged
o: Non-operational due to being refitted or overhauled
s: Non-operational due to still in initial shakedown trial period or in transit to place for repair or for initial embarkation of aircraft; not yet ready for operations. May be transporting an load of aircraft from US to UK as part of going to UK to become fully operational.
t: Operational as a training vessel and/or engaged only in trials.
v: Operational but in reserve


The planning and outcomes of naval initiatives involving carriers were a function of the number that were "operational", ready for combat.

This table indicates the number of carriers that were "operational" as well as afloat.

Carriers kept in port or otherwise not engaged in naval initiatives because of shortages of aircrews or fuel remain classified as "operational" in this table. ww2dbase

Richard Frank (1990). Guadalcanal- The Definitive Account of the Landmark Battle.
Jonathan Parshall & Anthony Tully (2005). Shattered Sword- The Untold Story of the Battle of Midway.
Francis Pike (2019). Hirohito's War- The Pacific War 1941-1945.
Mark Stille (2013). The Imperial Japanese Navy.
Craig Symonds (2018). World War II At Sea.
William Y'Blood (1987). The Little Giants- U.S. Escort Carriers Against Japan.
Dictionary of American Naval Fighting Ships
Imperial Japanese Navy Page
Naval War In The Pacific, 1941-1945
Royal and Dominion Navy Warships

Added By:
Bob Bryant

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