I-503 ex UIT-24 ex Comandante Cappellini

Type Builder Name Laid Down Launched Completed Notes
Marcello

OTO Muggiano

Updated=20/08/2019

25/04/1938 14/05/1939 23/09/1939

Ex German UIT24; Ex Italian Commandante Cappellini;;
10/05/1945 Taken over by Japan;
Home Base:Kawasaki;
/0 /1945-30/11/1945=6th Fleet;

CO:Lt.Hirota Shuzo [67]=14/07/1945-30/10/1945;
CO:Lt.Tanaka Chiaki [69]=30/10/1945-30/11/1945;

15/07/1945 Renumbered I-503;
/08/1945 Surrendered=Kobe;
15/07/1945 Renumbered I-503;
15/04/1946;Scuttled off Kobe;
No Casualties;
30/11/1945 Removed from Navy List;

RMI=
/06/1940- /11/1940=1stSub.Group;12th Sub.Ron;
/11/1940-08/09/1943=11th Sub.Group;

RMI=
CO:Lt.Cdr.Cristiano Masi=23/09/1939- /09/1940;
CO:Lt.Cdr.Salvatore Todaro= /09/1940- / /1941;
CO:Lt.Aldo Lenzi= / /1941- / /1942;
CO:Lt.Marco Revedin= / /1942- / /1943;
CO:Lt.Walter Auconi= / /1943-09/09/1943;

KM=
10/09/1943- /09/1944=12th U-Ron;
/10/1944-06/05/1945=33rd. U-Ron;

KM=
CO:Lt.Heinrich Pahls=10/09/1943-10/05/1945;

/03/1943- /04/1943=Converted to Transport Sub; 05/01/1941=Damaged;BR.MS.Shakespeare;Gunfire; 1KIA; 14/01/1941=Damaged;Br.MS.Eumaeus;Gunfire; 3KIA; 14/01/1941=Damaged;Br.A/C.Bombs;
11/05/1942=Damaged;Br.DD.Depth Charges;


SortiesbySub Ships Attacked

IJN Sorties=0

[Lt.Cdr.Cristiano Masi]
06/06/1940Cagliari- / /1940La Spezia=Strait of Gibraltar-Ceuta;
[Lt.Cdr.Salvatore Todaro]
29/09/1940La Spezia-05/11/1940Bordeaux=n.Atlantic;(Repairs);
22/12/1940Bordeaux-30/01/1941Bordeaux=n.Atlantic;(Repairs);
16/04/1941Bordeaux-20/05/1941Bordeaux=n.Atlantic;(Repairs);
29/06/1941Bordeaux-06/07/1941Bordeaux=n.Atlantic;(Aborted,breakdown);(Repairs);
[Lt.Aldo Lenzi]
17/11/1941Bordeaux-29/12/1941Bordeaux=n.Atlantic;(Repairs);
[Lt.Marco Revedin]
e/05/1942Bordeaux-19/06/1942Bordeaux=n.Atlantic;(Repairs);
21/08/1942Bordeaux-17/10/1942Bordeaux=s.Atlantic;(Rescued Crew,Br.MS.Laconia)(Repairs);
26/12/1942Bordeaux-04/03/1943Bordeaux=n.Atlantic-Caribbian Sea;
[Lt.Walter Auconi]
11/05/1943Bordeaux-09/07/1943Sabang=Atlantic-Indian Ocean;(Supply95t); 10/07/1943Sabang-13/07/1943Singapore=Transit;(Repairs);

RMI Sorties=10

[Lt.Heinrich Pahls]
/l/1943Singapore- / l/1943Penang=Transit;
08/02/1944Penang-05/04/1944Penang=Bordeaux;(Supply)(Aborted,Indian Ocean;Lack of Fuel);

KM Sorties=6

IJN=0

RMI=
[Lt.Cdr.Salvatore Todaro]
15/10/1940Sunk Be.MS.Kabalo;5186t;n.Atlantic;31*59'N;31*20'W;
05/01/1941Sunk Br.MS.Shakespeare;5029t;n.Atlantic;18*05'N;21*10'W;
14/01/1941Sunk Br.MS.Eumaeus;7472t;n.Atlantic;08*55'N;15*03'W;
[Lt.Marco Revedin]
19/05/1942Sunk Sw.MS.Tisnaren;5747t;n.Atlantic;03*38'N;32*01'W;
31/05/1942Sunk Br.MS.Dinsdale;8214t;s.Atlantic;00*45'S;29*50'W;

KM=0

RMI=
M/S Sunk =05@031648t
M/S Damaged =0
W/S Sunk =0
W/S Damaged =0
Total Sunk =05@031648t
Total Damaged =0
Total =05@031648t

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