KRIEGSMARINE (GERMANY)

Names

I-A-1

I-A-2

I-O-01 - I-O-170

Builders

Sonderkommando Siebel, Antwerpen: I-A-1, 2

Dutch and Belgian yards; Orlando, Leghorn: I-O-01 - I-O-170

Commissioned

1940 - 1944

Losses

I-O-05 (11/10/1944), I-O-06 (30/10/1944), I-O-07 (19/10/1944), I-O-08 (29/3/1944), I-O-10 (4/4/1944), I-O-12 (19/10/1944), I-O-15 (10/1944), I-O-16 (6/2/1943), I-O-21 (21/3/1943), I-O-23 (8/1943), I-O-27 (4/9/1944), I-O-30 (6/2/1943), I-O-31 (6/2/1943), I-O-32 (6/5/1943), I-O-34 (10/1944), I-O-41 (11/5/1943), I-O-42 (21/3/1944), I-O-44 (4/9/1944), I-O-45 (3/1944), I-O-46 (10/1944), I-O-47 (26/10/1944), I-O-48 (18/8/1944), I-O-49 (1/2/1945), I-O-50 (20/2/1945), I-O-54 (11/10/1944), I-O-60 (12/8/1943), I-O-62 (24/9/1944), I-O-64 (6/5/1943), I-O-65 (10/1944), I-O-68 (19/10/1944), I-O-72 (13/3/1944), I-O-73 (21/5/1944), I-O-74 (19/10/1944), I-O-77 (30/10/1944), I-O-78 (3/4/1943), I-O-79 (8/1943), I-O-85 (30/3/1944), I-O-87 (19/8/1943), I-O-88 (24/3/1944), I-O-95 (15/10/1944), I-O-96 (19/10/1944), I-O-97 (18/7/1944), I-O-102 (15/9/1944), I-O-110 (24/9/1944), I-O-111 (4/3/1944), I-O-114 (10/1944), I-O-115 (3/1944), I-O-170 (20/10/1944)

Transfers

Finland, 1943: I-O-101 (VMV101), I-O-103 (VMV103), I-O-104 (VMV104), I-O-105 (VMV105)

United Kingdom: I-O-09 (8/5/1945), I-O-91 (5/1945)

Discarding

unknown

Displacement standard, t

Displacement full, t

20

Length, m

18.5

Breadth, m

4.00

Draught, m

0.78 deep load

No of shafts

I-A-1: 1

others: 2

Machinery

I-A-1: BMW VIU petrol engine

I-A-2: Henschel diesels

I-O-01 and others: Ford or Opel or Maybach petrol engines or Daimler-Benz diesels

Power, h. p.

I-A-2: 200

I-O-01 and others: 82 or 65 or 125 or 125

Max speed, kts

I-O-01 and others: 9.7 or 9.5 or 11.9 or 10.8

Fuel, t

petrol or diesel oil 2.9

Armament

(1 - 2) x 15/84, 1 x 1 - 86 R Ag M42/43 AA rocket launcher

Military load

7 t of cargo or 40 men

Complement

8