COMINCH    
    ADMIRALTY         OP  OP
  1 FEBRUARY    
       
       
       
       
    012132  
       
       
       
       
  ACTION TO ADMIRALTY FOR OIC X FROM COMINCH X F-21 SERIAL 423 X ULTRA X  
  U/B WITH DECKS AWASH COURSE 135 SPEED 7 ATTACKED BY CORE A/C 010906Z  
  IN 49-19N 28-43W AFTER RADAR CONTACT AT 8 MILES X DISAPPEARING BLIP  
  INDICATED U/B IN VIEW WHEN ON CREST OF SWELLS X POOR RESULTS FROM  
  FIRST ATTACK WITH DCS X NO RESULTS NOTED FROM MINE DROPPED 50 FEET  
  AHEAD OF SWIRL 10 SECONDS AFTER SUBMERGENCE X  
     
     
     
     
     
     
     
     
     
     
     
     
  F-21 . . . ORIG. . .  
. . . . . NO DISTRIBUTION. . . . .                                                                           "CCM"
   
   
   
   
   

 

         
         
         
    ADMIRALTY  
      COMINCH FOR F-21 ROUTINE
    2 FEBRUARY 1945    
    0809    
    MCCLELLAN    
    DIEBEL/HAMILTON    
         
         
         
    PAGE 1 OF 2 PAGES 020130Z                 NCR 7075  
         
         
         
  PART 1 - 020100Z - NCR 7074
  PART 2 - 020130Z - NCR 7075
   
  COMINCH FOR F-21 OIC SERIAL 1520 FROM ADMTY.  TOPSEC ULTRA.*
   
  OIC SERIAL 1520.
  1.  YOUR 421 PARA 3.  BRUTUS MATTER VERY OBSCURE BUT FOLLOWING
  IS OUR VIEW AS EXPRESSED TO CINCNORE BY ULTRA.  AN ENEMY
  MESSAGE OF 31ST DECEMBER REVEALED INTEREST IN MOVEMENTS OF
  THAMES-ANTWERP COMVOYS (NAMELY TAM AND ATM AND ATC AND TAC
  CONVOYS) AN UNKNOWN U-BOAT MADE A POSITION REPORT ON 28TH
  JANUARY CAPABLE OF 3 DIFFERENT MEANINGS THE MOST PROBABLE
  OF WHICH IS LAT 51-57N LONG 02-15E.  THIS U-BOAT WAS INFORMED
  ON 25TH JANUARY THAT AN OBJECT REFERRED TO BY A COVER NAME
  WOULD BE AT ANOTHER COVER NAME PROBABLY A POSITION AT
  2210A/25TH JANUARY.  ON 23RD JANUARY THIS U-BOAT HAD BEEN
  GIVEN VARIOUS TIMES OF ARRIVAL FOR 23RD AND 24TH JANUARY
   
   
   
   
   
   
   
     

 

   
   
  RELATING TO THE SAME 2 COVER NAMES AND TO OTHER "OBJECT" COVER
  NAMES AND THE SAME "POSITION" COVER NAME.  ON 29TH JANUARY THIS
  U-BOAT WAS INFORMED THAT 2 COVER NAMES WOULD BE BETWEEN THE
  "POSITION" COVER NAME AND ANOTHER COVER NAME FROM 29TH JANUARY
  TO 30TH JANUARY.  COMMENT  THE AVAILABLE INFORMATION IS TOO
  FLIMSY TO SUPPORT ANY FIRM INTERPRETATION BUT IT IS CONSIDERED
  THAT PROBABLY THE U-BOAT IS PATROLLING BETWEEN SOUTH FALLS AND
  DUMPTON BUOY.  THE TIMES MENTIONED ARE THOUGHT TO REFER TO THE
  PASSAGE OF TAC AND TAL CONVOYS THROUGH A POSITION ABOUT 1-1/4
  MILES EAST OF DUMPTON BUOY AND 5-1/2 MILES WEST OF SOUTH FALLS.
  THE "OBJECT" COVER NAMES MENTIONED ON 29TH JANUARY MAY REFER TO
  2 GROUPS OF SEEHUNDE INTENDED TO OPERATE IN THE SAME AREA.  THE
  U-BOAT MAY BE 500 TONNER KP OR POSSIBLY A TYPE 23.
  2.  WENTZ NOT KNOWN BUT NOW CLEARLY NOT RU AND MIGHT BE PZ.  AM
  CALLING XD AND ESTIMATING SOUTH OF IRELAND (R) EN ROUTE CHANNEL
  OR IRISH SEA.
  3.  SERIALS 1518 AND 1519 TO                           ONLY
   
  *RECLASSIFIED SECRET
  2 COPIES TO COMMANDER KNOWLES
   
   
   
   
   
   
   
  ADMIRALTY                020130Z                 NCR 7075        PAGE 2 OF 2
   
   

Admiralty OIC Serial 1521 is missing

         
         
         
    ADMIRALTY  
      COMINCH FOR F-21 RRRRRRR
    5 FEB 1945    
    0809    
    VISSCHER    
    TURLEY/D SMITH    
         
         
         
      050025Z               NCR 81  
         
         
         
   
  (COMINCH FOR F21 FROM ADMIRALTY)
  OIC SERIAL 1522.  ULTRA.
  A SIGNAL OF 2ND FEB FROM ADMIRAL U-BOATS (BALTIC)
  TO 23RD AND 24TH U-BOAT FLOTILLAS AND OTHER UNSPECIFIED
  ADDRESSES STATED THAT IT WAS INTENDED TO FIT OUT FOR
  THE FRONT ALL TRAINING U-BOATS.  REPORT WAS REQUIRED
  WHICH U-BOATS WERE CONSIDERED UNSUITABLE FOR OPERATIONS.
  FITTING OUT OF SNORT WAS INTENDED.  24TH FLOTILLA REPLIED
  THAT ALL U-BOATS EXCEPT KQ [Penned note:  U-763 ex 3rd Flot. (Pallice)]
  WHOSE WHEREABOUTS WERE UNKNOWN WERE SUITABLE.  24TH
  FLOTILLA IS AT PRESENT TRANSFERRING TO HAMBURG.
  2.  MY 1521 TO                           ONLY.
   
   
   
   
  2 COPIES TO COMDR KNOWLES
   
   
   
   
   
   
     

Admiralty OIC Serial 1523 and 1524 are missing

         
         
         
    ADMIRALTY  
      COMINCH FOR F 21 ROUTINE
    6 FEB 1945    
    0119    
    MELTON    
    SOWERS/WALP    
         
         
         
    PAGE 1 OF 052015Z                      NCR 1335  
         
         
         
  PART 1  052010Z  NCR 1328
  PART 2  052015Z  NCR 1335
   
  TOPSEC ULTRA.
  (COMINCH FOR F 21 FROM ADMIRALTY.  OIC SERIAL 1525)
  U-BOAT SITUATION.
  1.  TOTAL 462 AS FOLLOWS.  NO 20 INCLUDING N 12 AND T 1 AND
  B 1.  NT 54  W 176  PW 14  SC 101  F 3  OB 6  BP 48  OE 38
  OW 2.
  2.  NI COMPRISES 1213 AND 1308 AND 2333 AND 2351 AND 2530
  AND 3011 AND 3020 AND 3512 AND 3519 AND 3520 AND 3521
  AND 3523 AND 3524 AND 3525 AND ALSO 4701 OF UNKNOWN
  TYPE.
  3.  TO JANUARY Q ALLOCATE NE SUNK PROBABLY EARLY IN MONTH IN
  EAST BALTIC POSSIBLY BY RUSSIAN MINE AND 3520 APPARENTLY
  WRECKED POSSIBLY MINED IN ECKENFOERDE ON 31ST.  CANCEL
  SINKING OF 121 TENTATIVELY
   
   
   
   
   
   
   
     

 

   
   
  TO SC.  TRANSFER 4 FROM PO TO Q FOR UNKNOWN DATE IN 1940.
  4.  TRANSFER TO SC FROM W 368 AND 1008 AND 1101 AND 1103 AND 1167
  AND 1194 AND 1201 AND 1204 FROM PO 120 AND 143 AND FROM BP KU AND KA
  AND CANCEL BIGRAMS.  TRANSFER 11 FROM SC TO PO.  TRANSFER KS AND MX AND
  NV AND TD FROM OB TO BP ALSO OC AND PK TO BP.  TRANSFER LM AND NI AND
  VO FROM BP TO NT.
  5.  BALTIC CO'S 141 HOFFMANN 316 KOENMG 382 CHIMEL 746 LOTTNER
  748 GUSCHMANN 922 KAESELAU 1008 GESSNER 1056 SCHROEDER 1308
  BESOLD 2334 PAHL 2337 BEHNISCH 2351 BRUECKNER 3011 TINSCHERT 3520
  GALLERT SENIOR 3521 KEELER 3523 MUELLER 3524 WITT.
  6.  VL 1278 AND OO 878 AND VO AND LM EXR 30.  NI EXR 3.
  7.  OIC SERIAL 1523 AND 1524 TO                        ONLY.
   
   
   
   
   
   
   
  2 COPIES COMDR KNOWLES
   
   
   
   
   
   
   
  ADMIRALTY               052015Z                      NCR 1335        PAGE 2 OF 2
   
   

 

         
         
         
    ADMIRALTY  
      COMINCH FOR F-21 ROUTINE
    7 FEBRUARY 1945    
    1508    
    BICKEL    
    DIEBEL/THOMSON    
         
         
         
      061245Z                    NCR 1837  
         
         
         
   
  COMINCH FOR F-21 FROM ADMTY.  OIC SERIAL 1526.  ULTRA.*
   
  OIC SERIAL 1528.
  ESTIMATED NUMBERS OF GERMAN U-BOATS BUILDING FIRST
  FEBRUARY 1945:
  1200 TONNERS       8
  740 TONNERS         4
  500 TONNERS       23
  FREIGHTERS           5
  TYPE 21                  90
  TYPE 23                  35
  OLD TYPES LIKELY TO COMPLETE  15.
   
   
  2 COPIES TO COMMANDER KNOWLES
  DELAYED DUE TO SERVICE
  *RECLASSIFIED SECRET.
   
   
   
   
   
   
     

 

         
         
         
    ADMIRALTY  
      COMINCH ROUTINE
    FEB 7 1945    
    1527/1704    
    BICKEL    
    YORK/JAHMAN    
         
         
         
    PAGE 1 OF 2 071254                   NCR 3032  
         
         
         
   
  COMINCH FOR F21 FROM ADMIRALTY.  TOP SEC ULTRA.
  OIC SERIAL 1527
  1.  BY 2210/4 TZ AND TX AND VB TO DIANA
  0800/5.  TZ AND TX PROBABLY EXXS 30 AND VB EX
  FARSUND 30.
  2.  1618/2/2 AND 2018/18/1 SHOW THAT BRUTUS
  IS COVER NAME FOR KP.        2325/28 1 WAS THEREFORE
  IN AM 8478.  THIS STRENGTHENES SOUTH FALLS-DUMPTON
  BUOY AREA BUT HENRY B PLANT MAY HAVE BEEN SUNK
  BY SEEHUND.
  3.  ASSUME YOU HAVE COMNAVFORFRANCE 032316A TO
  CNO AND OTHERS AND WILL IF NECESSARY INFORM YOUR
  AUTHORITIES REPORT IS ABSURD.
  4.  REFERENCE AM 061141A. PARAS A(1) AND (2)
   
   
   
   
   
   
   
   
   
     

 

         
         
         
       
         
         
         
         
         
         
         
         
    PAGE 2 OF 2 071254                   NCR 3032  
         
         
         
   
  AND AM 051111A (B).  ALL THESE ATTACKS
  CONSIDERED TO HAVE BEEN ON ONE U BOAT WHICH
  WAS PROBABLY DESTROYED.
   
   
   
   
   
   
   
   
  2 COPIES TO F-34 FOR COMDR KNOWLES. .
   
   
   
   
   
   
   
   
   
   
   
     

 

         
         
         
    ADMIRALTY OP    OP    OP
      COMINCH F 21  
    7 FEB 1945    
    1347    
    ELLIS    
    DORSEY/YORK    
         
         
         
      071235Z                   NCR 2970  
         
         
         
   
  ULTRA.  COMINCH FOR F 21 FROM ADMIRALTY.
   
  OIC SERIAL 1528.
   
  0950/5 NOT YET AVAILABLE HERE.  CAN YOU ASSIST US PLEASE.
   
   
   
   
   
   
   
   
   
   
   
  2 COPIES TO F 341 FOR COMDR. KNOWLES.
   
   
   
   
   
   
     

Admiralty OIC Serial 1529 and 1530 are missing

       
       
       
  COMINCH    
    ADMIRALTY         OP  OP  OP
  7 FEBRUARY 1945.    
       
       
       
       
    071436  
       
       
       
       
  ACTION TO ADMIRALTY FOR OIC X FROM COMINCH X F-21 SERIAL 424 X ULTRA X  
  YOUR 1528 BY 050950 NAN YOKE REPORTED IN BAKER EASY 3393 QUOTE CAN  
  OPERATE AS FAR AS CHARLIE GEORGE 95 UNQUOTE X 051920 AND 051924  
  AND 060345 AND 060400 TO SAME EFFECT EXCEPT POSITS RESPECTIVELY  
  BAKER EASY 3669 AND 36 AND BAKER FOX 17 X  
     
     
     
     
     
     
     
     
     
     
     
     
     
  F-21 . . . ORIG. . .  
. . . . . NO DISTRIBUTION. . . . .                                                                           "CCM"
   
   
   
   
   

 

         
         
         
    ADMIRALTY  
      COMINCH ROUTINE
    FEB 13 1945    
    0952    
    BICKEL    
    YORK/JOHNSON    
         
         
         
    PAGE 1 OF 3 122230Z                  NCR 9862  
         
         
         
  PART 1 RECEIVED AS 122208  NCR 9847
  PART 2 RECEIVED AS 122219  NCR 9854
  PART 3 RECEIVED AS 122230  NCR 9862
   
  (COMINCH FOR F21 OIC SERIAL 1531 FROM ADMTY OIC
  SERIAL 1531)
  1.  RECENT W/T SHIFTS ALL 0800 AND DIANA EXCEPT
  OM AND OJ IRELAND ARE ASSOCIATED BY US WITH PROBABLE
  DEPARTURES AS FOLLOWS:  READ IN 4 COLUMNS
 
U-BOAT PORT DEPARTURE DATE FREQUENCY DATE
RU B 27TH JAN 31ST JAN
PT B 27TH JAN 31ST JAN
VB FARSUND 30TH JAN 5TH FEB
TZ XS 30TH JAN 5TH FEB
TW XS 30TH JAN 6TH FEB
VH XS 3RD FEB 9TH FEB
   
   
   
   
   
   
   
   
     

 

   
   
 
U-BOAT PORT DEPARTURE DATE FREQUENCY DATE
OM XS 3RD FEB 10TH FEB
OJ STAVANGER 5TH FEB 11TH FEB
VI XS 5TH FEB 9TH FEB
MB XS 5TH FEB 9TH FEB
PW B 6TH FEB 10TH FEB
TV B 7TH FEB 11TH FEB
RM B 7TH FEB 11TH FEB
   
  2.  CONSIDER MOST LIKELY AREA FOR HB IS EASTERLY APPROACHES
  TO SCAPA FLOW OR POSSIBLY FIRTH OF FORTH WITH KENTISH COAST
  AS IMPROBABLE BUT NOT IMPOSSIBLE 3RD ALTERNATIVE.  VI
  PROBABLY PATROLLING ORKNEYS TO CAPE WRATH.
  3.  BY 0028/8 U BOATS INFORMED THAT A/S VESSEL HAD ATTACKED
  A SUSPICIOUS ROUND FLOATING OBJECT WITH DEPTH CHARGES 3
  MILES FROM SOUTH FALLS AT 1957.  WE CANNOT TRACE THIS REPORT
  BUT GERMAN REACTION STRENGTHENS OUR THEORY IN OIC 1527
  PARA 2.
  4.  BY 1339/9 VB GIVEN 112 GROUPS SPECIAL CYPHER AND BY
  2201/10 TO SHIFT TO IRELAND AT 2000/11.  QUERY VB TO RELIEVE
  TO WITH INSTRUCTIONS IN SPECIAL CYPHER OWING TO ANXIETY
  ABOUT KZ AND OG.
  5.  BY 2332/7 OK REPORTED DATE OF ARRIVAL 19TH FEB.
   
   
   
   
   
  ADMIRALTY                122230Z                  NCR 9862         PAGE 2 OF 3
   
   

 

   
   
  PRESUMABLY ST NAZAIRE.  BISCAY FORTRESS TRAFFIC REVEALS
  45 TONS DIESEL PER MONTH WILL BE DELIVERED BY U BOATS.
  LA DUE TO LOAD IN KIEL BETWEEN 15TH AND 20TH FEB
  WITH SAME CARGO AS OO.  OO POSSIBLY EXXS 8TH FEB.
  6.  IN GENERAL MESSAGES TO C IN C'S ON 26TH JAN
  AND 31ST JAN BDU ONCE AGAIN STRESSED VITAL NECESSITY
  OF "PROSECUTING U BOAT WAR WITH TENACITY AND UTMOST VIGOR.
  STRUGGLE AGAINST ANGLO SAXONS CAN BE DECISIVELY INFLUENCED
  BY U BOAT WAS ESPECIALLY IF BY EMPLOYING THE NEW TYPES
  SUCCESSES IN SINKINGS INCREASE.  FUEHRER HAS ORDERED
  THAT U BOAT WAR BE STRENGTHENED WITH EVERY MEANS."
  AND "FUEHRER HAS ONCE MORE EXPLICITLY ORDERED NAVY TO
  SEE TO SPEEDY INTENSIFICATION OF U BOAT WAR."
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
  ADMIRALTY                122230Z                  NCR 9862         PAGE 3 OF 3
   
   

 

         
         
         
    ADMIRALTY  
      COMINCH (FOR F-21)  
    13 FEBRUARY 1945   DDDDDDDD
    0111    
    VISSCHER    
    WALP/LENIHAN    
         
         
         
    PAGE 1 OF 2 PAGES 121924Z                    NCR 9494  
         
         
         
  PART 1  121918Z  NCR 9441
  PART 2  121922Z  NCR 9496
  PART 3  121924Z  NCR 9494
  COMINCH FOR F-21 FROM ADMIRALTY.
  OIC SERIAL 1532.
  U-BOAT SITUATION.
  1.  TOTAL 460 AS FOLLOWS:
  NO 22 INCLUDING N 10 AND T 2.  NT 57  W 172  PW 14  SC 101  F 3
  OB 5  BP 44  OE 40  OW 2.
  2.  NI COMPRISES 2525 AND 3014 AND 3507 AND 3513.
  3.  TO OCTOBER Q ADD KG FOR AIR RAID ON 4TH; TO NOVEMBER Q
  ADD RN FOR EITHER EG 17 IN LAT 60-18 NORTH LONG 04-52 WEST
  AT 0215Z 25TH OR MINE IN CHANNEL; TO DECEMBER Q ADD RW FOR
  AIRCRAFT Y/201 AT 1552Z 6TH IN LAT 58-45 NORTH LONG 04-53
  WEST; ALSO RQ FOR HMS NYASALAND AT 2315Z 17TH IN LAT 51-16
  NORTH LONG 08-05 WEST.  TO FEBRUARY Q ALLOCATE RT SUNK EARLY
  IN MONTH BY MINE IN GULF OF FINLAND AREA ALSO UNKNOWN POSSIBLY
  TV FOR HMS LOCH SCAVAIG ETC AT 1730Z 4TH.  REF OIC SERIAL
  1525 PARA 3 IT IS NOW KNOWN THAT 3520 WAS MINED.
  4.  RZ AND VQ 1195 CORDES AND VM 1021 ALL EXR 5.  LJ FROEMSDORF
   
   
   
   
     

 

   
   
  EXR 6.  KK AND LF AND OP 805 AND VP 681 AND VR 1005 AND VS 1169
  AND VT 1273 AND VU 1002 BOSS ALL EXR 10.  CO OF VR PROBABLY LAUTH.
  TRANSFER RZ AND LJ AND KK AND LF FROM BP TO NT.
  5.  BALTIC CO'S:  155 WITTE 612 DICK 975 KOCH 794 BECKER 2334
  ANGERMANN 2525 OTTO 2528 CURIO 3014 MARBACH 3513 NACHTIGALL.
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
  2 COPIES TO COMMANDER KNOWLES
   
   
  ADMIRALTY                121924Z                    NCR 9494         PAGE 2 OF 2
   
   

 

         
         
         
    ADMIRALTY OP    OP    OP
      COMINCH FOR F-21  
    13 FEBRUARY 1945    
    1416    
    MCCLELLAN    
    DIEBEL/THOMSON    
         
         
         
      131315Z                      NCR 60  
         
         
         
   
  COMINCH FOR F-21 FROM ADMIRALTY.  TOPSEC ULTRA.*
   
  OIC SERIAL 1533.
  HAVE YOU B-080607 PLEASE?
   
   
   
  *RECLASSIFIED SECRET
  2 COPIES TO COMMANDER KNOWLES.
   
   
   
   
   
   
   
   
   
   
   
   
   
   
     

Admiralty OIC Serials 1534 and 1535 are missing

       
       
       
  COMINCH    
    ADMIRALTY         OP  OP
  13 FEBRUARY 1945.    
       
       
       
       
    131524  
       
       
       
       
  ACTION TO ADMIRALTY FOR OIC X FROM COMINCH X F-21 SERIAL 425 X ULTRA X  
  YOUR 1533 X TEXT 080607Z AVAILABLE BUT NOT BROKEN X  
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
  F-21 . . . ORIG. . .  
. . . . . NO DISTRIBUTION. . . . .                                                                           "CCM"
   
   
   
   
   

 

         
         
         
    ADMIRALTY PRIORITY
      COMINCH FOR F 21  
    16 FEB 1945    
    0414/15    
    MELTON    
    WOODWARD/KULKA    
         
         
         
      151241A                      NCR 2226  
         
         
         
   
  COMINCH FOR F 21 OIC SERIAL 1536 FROM ADMTY OIC SERIAL
  1536.
   
  ULTRA.
  1.  REF AM 151101A PARA A (1) CONTACT FIRST OBTAINED AT
  1400Z AND ATTACKED WITH HH AND SQUID UNTIL 1630Z WHEN
  CONTACT LOST.  U-BOAT STEERED WEST THEN SOUTHEAST AND
  FINALLY NORTH AT 400 TO 600 FEET.  ABOUT 1900Z 4 SURVIVORS
  WHO HAD BEEN ABOUT 1 HOUR IN WATER WERE RESCUED.  THEY
  INCLUDED HARDO VON ROITHBERG BUT HAVE ALL DIED.  WRECKAGE
  FROM INTERIOR OF U-BOAT ALSO RECOVERED.  NI WAS PROBABLY
  EX XS B.
  2.  OIC 1534 AND 1535 TO                        ONLY.
   
   
   
  2 COPIES FOR COMDR KNOWLES.
  DELAYED BY SERVICE.
   
   
   
   
  &nbs