Date |
Operational |
Training and Trials |
Total |
New Boats Commissioned in Previous Quarter |
|
91 |
158 |
249 |
69 |
|
121 |
164 |
285 |
49 |
|
140 |
191 |
331 |
59 |
|
196 |
169 |
365 |
61 |
|
212 |
181 |
393 |
69 |
|
240 |
185 |
425 |
69 |
|
207 |
208 |
415 |
71 |
PRINCIPAL CHARACTERISTICS OF GERMAN U-BOATS TYPE VII C
NOTE: This was the type of U-boat most commonly employed on the convoy routes. A total of 567 were built and commissioned. A further 92 of similar type
but with an increased diving depth of 394 feet also became operational.
Displacement |
|
Surfaced: |
769 tons |
|
Submerged: |
871 tons |
Maximum Speeds (laden): |
|
Surfaced: |
17.7 knots |
|
Submerged: |
7.6 knots (for one hour) |
Endurance: |
|
Surfaced: |
9700 miles at 10 knots (Diesel-electric) 8850 miles at 10 knots (cruising) 6500 miles at 12 knots (cruising) 3450 miles at 17 knots
(maximum sustained) |
|
Submerged: |
130 miles at 2 knots 80 miles at 4 knots |
Diving depth: |
309 feet (In emergency could be considerably exceeded) |
Armament: |
|
torpedo tubes: |
four bow, one stern |
|
outfit: |
14 torpedoes (maximum) 12 torpedoes (normal) |
|
guns: |
1-37 mm. A.A. 2-20 mm. A.A. |
Crew: |
44 |