Secret Military Document!
M  i  n  i  n  g    R  e  p  o  r  t.
 
====================
 
     
  Boat:        "U-69"  
  Designation of the exercise:        Mining the harbor of Lagos  
  Date:        29 May 1941  
  Location:        Lagos  
     
 
A.) Mine deployment.
 
  Wind direction        SSW                           Strength:        1  
  Sea State:        0-1  
  Current direction:        NE                          Strength:        2  
  Bottom texture:        Hard sand  
  Air temperature:        22°                Water temperature:        26°  
  Time of the first mine:        00 hours 06 minutes  20 seconds  
  Time of the last mine:        00 hours  43 minutes  43 seconds  
  Speed through the water:        Changing speed settings  
  Course:        See sketch  
  Intended mine distance:        170 meters  
  Location of the first mine:        =  See sketch                  =  
  Location of the last mine:         =    "       "                       =  
  Sounding at the first mine:        13 meters  
  Sounding at the last mine:         13 meters  
     
 
B.)  Mine material
 
  Number if mines deployed:        8  
  Type of deployed mine:        TMC  
     
 
C.)  Failures.        None
 
  Number:  
  No. of mine:  
  From tube:  
  Forward mine, after mine:  
  Observation at deployment:  
     
  Observation after deployment:  
  Observation at clearing:  
     
  Cause:        ./.  
     
 
D.)  Special events.
 
  Harbor and Mole patrolled, heavy swell.  Deployment unnoticed.  
     
  At sea,        30 May 1941  
     
                                                                                                            Der Kommandant.  
                                                                                                              
                                                                                                                     Kptl.  
     
     
Click the flag to view the above page from the original German KTB