Submarine Operations Research Group Attack Data

USS Darter (SS-227)

Patrol Number Date Hour (00-23) Operational Command Latitude Longitude Approach Light Condition Approach Image Method Approach Surfaced or Submerged Attack Light Condition Attack Image Method Attack Surfaced or Submerged Weapon Used Number of Torpedoes Fired Number of Torpedo Hits Claimed Target Type Result Estimated Target Tonnage
1  1944-02-13  14  Brisbane  0516N  14922E  Daylight  Periscope  Submerged  Daylight  Periscope  Submerged  Mark XIV Type 3A Torpedo  6  0  AK  Not Final Attack on Target  7500 
1  1944-02-13  14  Brisbane  0516N  14922E  Daylight  Periscope  Submerged  Daylight  Periscope  Submerged  Mark XIV Type 3A Torpedo  4  1  AK  Damaged  7500 
2  1944-03-30  03  Brisbane  0156N  13300E        Night  Radar  Surfaced  Mark XIV Type 3A Torpedo  6  4  AK  Sunk  6800 
3  1944-06-29  14  Brisbane  0219N  12757E        Daylight  Periscope  Submerged  Mark XIV Type 3A Torpedo  6  2  CM  Sunk  4400 
0  1944-10-12  09  Fremantle  0840N  11642E        Daylight  Periscope  Submerged  Mark XIV Type 3A Torpedo  2  2  AO  Damaged  10000 
0  1944-10-12  09  Fremantle  0840N  11642E        Daylight  Periscope  Submerged  Mark XIV Type 3A Torpedo  2  0  AO  No Damage  8700 
4  1944-10-19  11  Fremantle  0909N  11703E        Daylight  Periscope  Submerged  Mark XIV Type 3A Torpedo  4  0  DD  No Damage  1700 
4  1944-10-19  11  Fremantle  0855N  11648E        Daylight  Periscope  Submerged  Mark XVIII Electric Torpedo  4  0  DD  No Damage  1700 
0  1944-10-23  06  Fremantle  0924N  11711E        Twilight  Periscope  Submerged  Mark XXIII Torpedo  6  5  CA  Sunk  12500 
0  1944-10-23  06  Fremantle  0924N  11711E        Twilight  Periscope  Submerged  Mark XXIII Torpedo  4  4  CA  Damaged  12500 


   

A complete analysis of the SORG attack data and attacks not in SORG is currently available in the book United States and Allied Submarine Successes in the Pacific and Far East During World War II, 4th ed.

More Info About the Book:
McFarland & Company
Amazon

Back to Main SORG Page







Related Partner Sites: Combined Fleet Message Board | J-Air Forum | WW2 Database | IJN Doctrine | 3-D IJN Warships