
T2 1955

Mackerel 1963
| No | Name | Yard No | Builder | Laid down | Launched | Comm | Fate | 
| SST1 | T1, 7.1956- Mackerel | 136 | Electric Boat, Groton | 1.4.1952 | 17.7.1953 | 9.10.1953 | stricken 1.1973 | 
| SST2 | T2, 7.1956- Marlin | 137 | Electric Boat, Groton | 1.5.1952 | 14.10.1953 | 20.11.1953 | stricken 1.1973 | 
| 
    
     Displacement standard, t  | 
    303 | 
| 
    
	 Displacement normal, t  | 
    
    
     / 347  | 
  
| 
    
	 Length, m  | 
    
    
     40.0  | 
  
| 
    
	 Breadth, m  | 
    
    
     4.10  | 
  
| 
    
	 Draught, m  | 
    
    
     3.70  | 
  
| 
    
	 No of shafts  | 
    
    
     1  | 
  
| 
    
	 Machinery  | 
    
    
     2 General Motors diesel-generators, 1 electric motor  | 
  
| 
    
	 Power, h. p.  | 
    
    
     250 / 380  | 
  
| 
    
	 Max speed, kts  | 
    
    
     10 / 10.5  | 
  
| 
    
	 Fuel, t  | 
    
    
     diesel oil  | 
  
| Endurance, nm(kts) | 2000(10) / | 
| 
    
     Armament  | 
    
    
     1 - 533 Mk 48 TT (bow)  | 
  
| 
    
	 Electronic equipment  | 
    JP, JT sonars | 
| 
    
	 Complement  | 
    
    
     14  | 
  
| 
    
	 Diving depth operational, m  | 
    65 | 
Project history: Target submarines but with a TT.
Modernizations: None.
Naval service: No significant events.
© Ivan Gogin, 2015