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
1944-02-13  14  Brisbane  0516N  14922E  Daylight  Periscope  Submerged  Daylight  Periscope  Submerged  Mark XIV Type 3A Torpedo  AK  Not Final Attack on Target  7500 
1944-02-13  14  Brisbane  0516N  14922E  Daylight  Periscope  Submerged  Daylight  Periscope  Submerged  Mark XIV Type 3A Torpedo  AK  Damaged  7500 
1944-03-30  03  Brisbane  0156N  13300E        Night  Radar  Surfaced  Mark XIV Type 3A Torpedo  AK  Sunk  6800 
1944-06-29  14  Brisbane  0219N  12757E        Daylight  Periscope  Submerged  Mark XIV Type 3A Torpedo  CM  Sunk  4400 
1944-10-12  09  Fremantle  0840N  11642E        Daylight  Periscope  Submerged  Mark XIV Type 3A Torpedo  AO  Damaged  10000 
1944-10-12  09  Fremantle  0840N  11642E        Daylight  Periscope  Submerged  Mark XIV Type 3A Torpedo  AO  No Damage  8700 
1944-10-19  11  Fremantle  0909N  11703E        Daylight  Periscope  Submerged  Mark XIV Type 3A Torpedo  DD  No Damage  1700 
1944-10-19  11  Fremantle  0855N  11648E        Daylight  Periscope  Submerged  Mark XVIII Electric Torpedo  DD  No Damage  1700 
1944-10-23  06  Fremantle  0924N  11711E        Twilight  Periscope  Submerged  Mark XXIII Torpedo  CA  Sunk  12500 
1944-10-23  06  Fremantle  0924N  11711E        Twilight  Periscope  Submerged  Mark XXIII Torpedo  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:
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