Technical information
| Type | Motor torpedo boat |
| Displacement | 46 BRT |
| Length | 77 feet |
| Complement | 10 men |
| Armament | 1 20mm 4 MG (2x2) 4 21" torpedo tubes |
| Max speed | 42 knots |
| Engines | 3 engines, 3 shafts |
| Power | 3600 HP |
| Notes on class |
All ships of the ELCO 77' class
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| HMS MTB 307 (MTB 307) | ||
| HMS MTB 308 (MTB 308) | Lost on 14 Sep 1942 | |
| HMS MTB 309 (MTB 309) | ||
| HMS MTB 310 (MTB 310) | Lost on 14 Sep 1942 | |
| HMS MTB 311 (MTB 311) | Lost on 2 May 1943 | |
| HMS MTB 312 (MTB 312) | Lost on 14 Sep 1942 | |
| HMS MTB 313 (MTB 313) | ||
| HMS MTB 314 (MTB 314) | Lost on 14 Sep 1942 | |
| HMS MTB 315 (MTB 315) | ||
| HMS MTB 316 (MTB 316) | Lost on 17 Jul 1943 | |
| HMS MTB 317 (MTB 317) | ||
| HMS MTB 318 (MTB 318) | ||
| HMS MTB 319 (MTB 319) | ||
| HMS MTB 320 (MTB 320) | ||
| HMS MTB 321 (MTB 321) | ||
| HMS MTB 322 (MTB 322) | ||
| HMS MTB 323 (MTB 323) | ||
| HMS MTB 324 (MTB 324) | ||
| HMS MTB 325 (MTB 325) | ||
| HMS MTB 326 (MTB 326) | ||
| ||
 | USS PT 20 | |
| USS PT 21 | ||
| USS PT 22 | ||
| USS PT 23 | ||
| USS PT 24 | ||
| USS PT 25 | ||
| USS PT 26 | ||
| USS PT 27 | ||
| USS PT 28 | Lost on 12 Jan 1943 | |
| USS PT 29 | ||
| USS PT 30 | ||
| USS PT 31 | Lost on 20 Jan 1942 | |
| USS PT 32 | Lost on 13 Mar 1942 | |
| USS PT 33 | Lost on 15 Dec 1941 | |
| USS PT 34 | Lost on 9 Apr 1942 | |
| USS PT 35 | Lost on 12 Apr 1942 | |
| USS PT 36 | ||
| USS PT 37 | Lost on 1 Feb 1943 | |
| USS PT 38 | ||
| USS PT 39 | ||
| USS PT 40 | ||
| USS PT 41 | Lost on 15 Apr 1942 | |
| USS PT 42 | ||
| USS PT 43 | Lost on 11 Jan 1943 | |
| USS PT 44 | Lost on 12 Dec 1942 | |
| USS PT 45 | ||
| USS PT 46 | ||
| USS PT 47 | ||
| USS PT 48 | ||
| USS PT 49 (To Britain as BPT 1) | ||
| USS PT 50 (To Britain as BPT 2) | ||
| USS PT 51 (To Britain as BPT 3) | ||
| USS PT 52 (To Britain as BPT 4) | ||
| USS PT 53 (To Britain as BPT 5) | ||
| USS PT 54 (To Britain as BPT 6) | ||
| USS PT 55 (To Britain as BPT 7) | ||
| USS PT 56 (To Britain as BPT 8) | ||
| USS PT 57 (To Britain as BPT 9) | ||
| USS PT 58 (To Britain as BPT 10) | ||
| USS PT 59 | ||
| USS PT 60 | ||
| USS PT 61 | ||
| USS PT 62 | ||
| USS PT 63 | Lost on 18 Jun 1944 | |
| USS PT 64 | ||
| USS PT 65 | ||
| USS PT 66 | ||
| USS PT 67 | Lost on 17 Mar 1943 | |
| USS PT 68 | Lost on 30 Sep 1943 | |
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Royal Navy (more on 
US Navy (more on See all Motor torpedo boat classes.
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Books dealing with this subject include:
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