Copy No. 171
Top Secret.                                       81
Current Order No. 65 of October 1944
  Use of torpedoes when Anti-T V Defence is suspected.  
  1)  Numerous observations made in action give rise to the suspicion that the enemy is attempting to counteract T V by means of noise devices (circular saw, humming noises etc.)  
  2)  As before, however, U-boats can still report successes, even when noise devices are used.  
  3)  If it is suspected on good grounds that noise devices are being used as anti T V defence, and tactical conditions are suitable, another type of torpedo, preferably "Lut" should be fired.  The principle remains however; it is better to fire a T V than not to fire at all.  The same applies especially under tactical conditions, when the use of other types of torpedoes is unsuitable.  
  4)  Current order no. 6 concerning the state of immediate readiness for firing T V is still valid.  This order is dealt with in greater detail in current order no. 43.  
          The firing of T V at the enemy when he has an attached buoy (circular saw, etc.) still offers us a good chance of obtaining a hit in positions from 160/180.  
  U-boat  "U-249"
  Rec. 6th December 1944
  Reg No:  Top Secret 128.
                                                                                            Translated by C/W Watson  
                                                                                                                  C/W Robertson  



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