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Marconi Class Submarines Class Overview |
Dimensions, machinery and performance |
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Length: |
250' 9" |
Engines: |
2 Diesels by C.R.D.A |
Beam: |
22' 3" |
Motors: |
2 Marelli |
Draft: |
15' 4" |
Shafts: |
2 |
Pressure Hull |
Horsepower |
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Length: |
N/A |
Engines: |
3,600 |
Diameter: |
N/A |
Motors: |
1,500 |
Displacement |
Speed |
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Surfaced: |
1,195 |
Surfaced: |
17.8 knots |
Submerged: |
1,490 |
Submerged: |
8.2 knots |
Diving Depth: |
300' |
Range |
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Surfaced: |
10,500 NM @ 8 knots / 2,900 NM @ 17 knots |
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Crew: |
57 |
Submerged: |
110 NM @ 3 knots / 8 NM @ 15 knots |
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Armament as built
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Guns
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Number
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Type |
Arrangement |
1 |
3.9"/47 (100mm) |
Forward of conning tower |
4 |
13.2mm machine guns |
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Torpedo Tubes
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Number
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Size |
Location |
8 |
21" (533mm) |
4 bow / 4 stern |
Name |
Builder |
Launched |
Completed |
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Alessandro Malaspina |
Odero-Terni-Orlando (OTO) Muggiano, Italy |
Feb. 18, 1939 |
Sept. 10, 1941 |
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Fate |
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Sailed from Bordeaux, France Sept. 7, 1941, missing since then.
Thought to have been sunk by an RAAF Sunderland of 10 Squadron on Sept. 10, 1941, but the wreck has not been found. |
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Name |
Builder |
Launched |
Completed |
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Guglielmo Marconi |
Cantieri Riuniti dell' Adratico (CRDA) Monfalcone, Italy |
July 30, 1939 |
Feb. 8, 1940 |
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Fate |
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Sailed from Bordeaux, France on Oct. 5, 1941, missing since then.
Last contact made on Oct. 28 at position 42.55N - 21.55W. |
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Name |
Builder |
Launched |
Completed |
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Leonardo da Vinci |
Cantieri Riuniti dell' Adratico (CRDA) Monfalcone, Italy |
Sept. 16, 1940 |
Mar. 23, 1943 |
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Fate |
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Sunk May 23, 1943 by HMS Active H-14 and HMS Ness K-219 (depth charges). Location: North Atlantic, 354 miles west of Vigo, Spain. (42.16N - 15.40W) No survivors. |
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Name |
Builder |
Launched |
Completed |
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Michele Bianchi |
Odero-Terni-Orlando (OTO) Muggiano, Italy |
Dec. 3, 1939 |
Apr. 15, 1940 |
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Fate |
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Sunk July 5, 1941 by HMS Tigris N-63 (torpedo).
Location: Bay of Biscay, 158 miles southwest of La Rochelle, France. (45.03N - 4.01W) No survivors. |
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Name |
Builder |
Launched |
Completed |
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Odero-Terni-Orlando (OTO) Muggiano, Italy |
Apr. 21, 1940 |
July 10, 1940 |
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Fate |
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Sunk Sept. 8, 1941 by HMS Croome L-62 (depth charges, gunfire, ramming).
Location: North Atlantic, 282 miles ENE of Sãn Miguel Island, Azores. (40.15N - 20.55W) 28 crewmen killed, 32 survivors picked up by HMS Croome L-62. (Roll of Remembrance) |
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Name |
Builder |
Launched |
Completed |
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Luigi Torelli |
Odero-Terni-Orlando (OTO) Muggiano, Italy |
Jan. 6, 1940 |
May 15, 1940 |
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Fate |
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Scuttled April 1946 off Goto Island, Japan by U. S. Navy.
(Captured by Germany and commissioned as UIT-25 on Sept. 10, 1943, turned over to the Japanese on May 10, 1945 and commissioned as I-504) |
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Page published Sept. 9, 2009 |