U-boat Archive - Admiralty-Cominch Messages




	ADMIRALTY
		COMINCH (F21)
	1 FEB 1944		DEFERRED
	0124
	NOLL
	TOUSIGNANT



		312123Z NCR 5725




ULTRA MOSEC. (COMINCH FOR F21 OIC SERIAL 918 FROM
ADMY)

OIC SERIAL 918. U BOAT SITUATION.
1. N 2 T 5 B 5 ON 16 U 17 L 15 ST 18 P 6 G 8
AD 2 M 14 UX 6 W 209 SR 16 PW 22 SC 30 F 5
OE 54 OW 7.

2. TOTAL 457 INCLUDES NI 2 AND F 5 AND ALLOWS Q 2.

3. NI COMPRISES 246 AND 1230.

4. F COMPRISES EX ITALIAN FREIGHT CARRIERS, U
IT 21 AND U IT 22 AND U IT 23 AND U IT 24 AND U IT 25.

5. TO JANUARY Q ALLOCATE UNKNOWN FOR AIRCRAFT
D/461 AT 1200Z/28 AND UNKNOWN FOR EG 2

PAGE 1/1













	PAGE 2/2	312123Z NCR 5725




1205Z/31 IN LAT 50-14W LONG 17-37W.













2 COPIES FOR COMDR KNOWLES.




	ADMIRALTY
		COMINCH (F21)
	1 FEB 1944		DEFERRED
	0128
	NOLL
	TOUSIGNANT



		312224Z NCR 5731




MOSEC ULTRA. (COMINCH FOR F21 OIC SERIAL 919 FROM
ADMY OIC SERIAL 919)

PARA 1. BY 2229/30 AF IN CG 2538. BY 2338/30
CORRUPT SIGNATURE IN CG 2878. BY 0145/31 TIME OF
INTERCEPT WB IN CG 5235. CONSIDER 2 LATTER SIGNALS
BOTH FROM WB.

PARA 2. BY 2359/30 PN IN AL 9987 RETURNING AFTER
BOMBS PRESUMABLY 291235.

PARA 3. BY 0305/31 OFFERMANN IN BE 8914 WITH 214
CUBIC METRES. ALLOCATE YB BUT POSSIBLY EQUALS FP.



2 COPIES FOR COMDR KNOWLES.

From	Para.	Correction
AOIC 922	3	OIC SERIAL 919 PARA 3 YB SHOULD READ YC.




	ADMIRALTY		OP OP OP
		COMINCH
	1 FEB 1944
	1454/1
	ALTENHOF
	REEGAN



	PAGE 1 OF 2	011114Z NCR 6145




(COMINCH FOR F-21 OIC SERIAL NO. 920 FROM ADMIRALTY)
ULTRA MOSEC OIC SERIAL 920
1. 1218/31 STUERMER HINEIN TO EXPECT WESTBOUND CONVOY
31/1 AND EAST-BOUND ONE FROM 1/2. BY 1501/31 VY TO
OCCUPY AL
2. BY 1549/31 SA WARNED OF NORTH BOUND NIPSUB IN ABOUT
EAST OF PROBABLY EQ ON 1/2
3. CF DUE ADST 31/1 BUT OVERDUE AT 2336/31 AND PROBABLY
SUNK BY K/172 WHICH HAS FAILED TO RETURN.
4. BY 1818/31 LA TOLD JT REPORTED BC55 STILL POINT
STEERED FOR BY ESCORT GROUPS AND INDEPENDENTS WHICH THEN
PROCEEDED VIA CC 30 COURSE 210 DEGREES FOR USA. FREQ-
UENT TRANSMISSION OF W/T MESSAGES WITHOUT MAJOR CHANGE
OF POSITION HAD ONLY RESULTED IN SLIGHT REACTION BY
NEWFOUNDLAND DEFENCES. NAXOS LOCATION POSSIBLY ONLY AS




	ADMIRALTY		OP OP OP
		COMINCH







	PAGE 2 OF 2	011114Z NCR 6145




DETERRENT BEFORE SINKING OF BOTH DESTROYERS.
5. BY 1941/31 AF AND AB INFORMED OF GIB CONVOYS.
THEREFORE BOTH MED. BOUND.
6. LC LAT 60 DEGREES NORTH LONG 34 DEGREES WEST
1119/31. IK LAT 52 DEG NORTH LONG 33 DEG WEST 1024/31.
JV LAT 53 DEG NORTH LONG 29 DEG WEST 1005/31.
7. SB AND DD TO SHIFT TO AFRICA 2 AND PN AND NP TO
COASTAL AT 0800/2.
8. KG EXST 31. SH EXG 31 FOR DEEP DIVING TRIALS THEN DUE
ADP.
9. MONSUN TO EXPECT NIP SUBS IN AREAS.





2 CC FOR F341 FOR COMDR KNOWLES.

Admiralty OIC Serial 921 is missing




	ADMIRALTY		PPPPPP
		COMINCH (F-21)
	FEB 1, 1944
	1950
	LANDIS
	BENNETT



		011831Z NCR 6381




ULTRA MOSEC. COMINCH FOR F-21 OIC SERIAL 922
FROM ADMIRALTY OIC SERIAL 922.

1. OIC SERIAL 919 PARA 3 YB SHOULD READ YC.
ERROR IS REGRETTED. YOUR 267 ASSUME REFERENCE IN-
TENDED WAS 300147 NOT 300417 AS RECEIVED. DOUBT
WHETHER JB IS LIKELY TO HAVE ACCELERATED SO MUCH
FROM THE 70 MILES A DAY AND NO TRACE OF R/V ARRANGE-
MENTS WITH ANY OTHER BOAT.
2. JX AD RAMSUND 27 AND SAILED FOR THE SOUTH
1ST FEBRUARY
3. OIC SERIAL 921 WAS TO ONLY.




2 COPIES DELIVERED TO F-34 FOR COMMANDER KNOWLES.

COMINCH

OP OP

ADMIRALTY

1 FEBRUARY, 1944

012017

	ACTION TO ADMIRALTY FOR OIC X FROM COMINCH X F-21 SERIAL 268 X ULTRA X YOUR
	919 PARA 1 SIGNAL 302338 DEGARBELED FROM ABLE BAKER X REQUEST BASIS
	IDENTIFICATION IT-22 WITH WILLIAM BAKER X OIC 920 PARA 2 IN VIEW 1930/31 JULY
	FAVOP FOX CHARLIE X BY 311541 OFFERMANN ORDERED TO R/V KIEFER
	PROBABLY EQUALS NIP SUB 2 HOURS BEFORE SUNDOWN 13 FEB IN POSSIBLY
	CHARLIE DOG OR DOG GEORGE X LATTER SQUARE APPEARS A MORE LIKELY AREA AND
	AGREES WITH TRACK OF I-8 X YOUR 918 PARA 5 QUERY QUEEN 311205 IN VIEW OF AM
	011120A X A/C SIGHTING OF SUB 011345 IN 08-07S 20-55W EVALUATED POSITIVE BY
	ASCENSION INDICATES DF 312121 WAS IN THIS AREA X









	F-21 . . . ORIG. . .
	. . . . . NO DISTRIBUTION. . . . . "CCM"




	ADMIRALTY
		COMINCH (F-21)
	3 FEBRUARY 44		RRR
	2352
	SMITH
	MITCHELL



		022101Z NCR 7404




OIC SERIAL 923 ULTRA MOST SECRET TO COMINCH FOR F21
OIC SERIAL 923 FROM ADMIRALTY.

1. YOUR 268 CONSIDER D/F 312121 MUST BE IN AREA NORTH OF
EQUATOR OR FREETOWN BEARING 262 DEGREES 2ND CLASS
WHICH WE HAVE HAD REPEATED AND ON GREENLAND BEARING.
AIRCRAFT SIGHTING 310532Z NOW ASSESSES BY DAKAR AS
DOUBTFUL.
2. CONSIDER THAT AIRCRAFT SIGHTING 011343 IN LAT 08-07
SOUTH LONG 20-55 WEST COURSE 128 DEG WAS MORE PROBABLY
SA THAN JAP I 29 AND THAT RESPECTIVE PLOTS OF THESE AT
1200Z TODAY ARE LAT 10-00 SOUTH LONG 20-00 WEST AND LAT
10-00 NORTH LONG 35 MINS WEST.
3. CONSIDER THAT PROBABLY CD AND DM
OR DL.
4. IDENTIFICATION OF U IT 22 WITH WB IS PURELY ARBITRARY













			022101Z NCR 7404




	AS AGAINST WG.
	5. YOUR REFERENCE TO Q 311205 NOT UNDERSTOOD AS AM
	011120A REFERS TO SAME INCIDENT BUT SUCH SIGNALS
	DO NOT ASSESS SUCCESS. DOUBT WHETHER EXPERIENCE
	OF I 8 SHOULD WEIGH IN FORECASTING MOVEMENT OF I 29
	IN VIEW IF INTERVENING OCCUPATION OF AZORES.





	2 COPIES DELIVERED TO F34 FOR COMDR KNOWLES.




	ADMIRALTY		OP OP OP
		COMINCH FOR F-21
	FEB 3, 1944
	1659
	SMITH
	POWLEY



	PAGE 1 OF 2	031456Z NCR 8063




ULTRA MOSEC (COMINCH FOR F 21 OIC SERIAL 924 FROM
ADMIRALTY

1. BY 1212/ HINEIN STUERMER AREAS EXTENDED TO RADIUS
25 MILES. BY 1741/1 TO RECKON WITH WESTBOUND CONVOY
THAT NIGHT.
2. BY 0116/2 PD IN BE 5285 AND BY 0741/2 WY IN BE
5281. BY 0555/2 ITES AND VN AND GF AND WY TO STEER FOR
AL SHIFTING TO DIANA IMMEDIATELY AFTER
PASSAGE REPORT. THIS STRONGLY CORROBORATES EQUATION
OF ITES AND PD.
3. BY 1852/1 JA IN LE 6457 RETURNING TO LF 64 AT 15
KNOTS WITH CASE ACCUTE APPENDICITIS. ETA 1800/3.
4. BY 2223/1 WARRANT ENGINEER OF KK CONGRATULATED.
PRESUME KK MADE 0230/3 AND 0532/3.
5. BY 2204/1 CO TO REPORT THAT NIGHT IF ATTACKED BY













	PAGE 2 OF 2	031456Z NCR 8063




AIRCRAFT ON 31/1.
6. RP AND TREUBERG ALLOCATE YD AND EXST 1.
7. CV TO COASTAL 0800/2









2 COPIES TO COMDR KNOWLES.

COMINCH

OP OP

ADMIRALTY

3 FEBRUARY, 1944

032025

	ACTION TO ADMIRALTY FOR OIC X FROM COMINCH X F-21 SERIAL 269 X ULTRA X WHILE
	NOT WHOLLY SATISFIED WITH ESTIMATE MY 268 IT APPEARS MORE PERSUASIVE THAN
	YOUR 923 NAMELY (1) JAPS AVERAGE DAILY RUN FROM 2008/8 JAN 230 MILES VERSUS 270
	FOR YOUR SOLUTION WHICH ALSO INCLUDES COMPLETED PASSAGE THROUGH PATROL
	SECTOR INVOLVING MUCH SUBMERGED TRAVEL (2) YOUR SOLUTION FOR SUGAR ABLE
	NOT WHOLLY CONSISTENT WITH 311549 JAN OR 021225 FEB (3) IF FREETOWN BEARING
	DISREGARDED REMAINING GOOD BEARINGS CONVERGE IN AREA OF SIGHTING 310532
	ALTHOUGH GREENLAND BEARING JUST RECEIVED STRENGTHENS YOUR CASE (4) WHILE
	U/BOATS HAVE GIVEN AZORES WIDER BERTH SINCE OCCUPATION PASSAGE EAST OR WEST
	OF AZORES APPEARS TO BE DETERMINED ON BASIS OF [Unreadable word] ONLY X THIS WAS
	REASON FOR [Unreadable word] I 8 ROUTE (5) OFFICER 021641 TO OFFERMANN SHOULD
	CLARIFY X SUGAR ABLE GUARD AFRICA 1 AT 030800A AND SEND REPORT ON PASSING
	LATITUDE OF 55 LARGE SQUARE SOUTH POSSIBLY
	FOX MIKE OR ADJACENT SQUARE X YOUR 923 PARA 5 X APPRECIATE AM DAILY
	SUMMARY DOES NOT ASSESS ATTACKS BUT USUALLY THERE IS AT LEAST A HINT OF
	DAMAGE [Unreadable word] THE KILL X


	F-21 . . . ORIG. . .
	. . . . . NO DISTRIBUTION. . . . . "CCM"




	ADMIRALTY		OP OP OP
		COMINCH
	FEB 4 1944
	0025
	LANDIS
	YORK



	PAGE 1 OF 3	032145Z NCR 8326




(COMINCH FOR F21 OIC SERIAL 925 FROM ADMY OIC
SERIAL 925)

1. BY 0230/3 KK IN AD 7364 WITH 53 CBM HAVING
MOVED OFF BECAUSE OF MOON. NO SUCCESS AND
REQUESTED RETURN PASSAGE BY STAGES. AT 0532/3
GAVE DETAILED REPORT ON DEFENCES AND SUGGESTED
FURTHER OPERATIONS IN
AE PROMISED SUCCESS. BY 1106/3 TO RETURN
BY STAGES VIA POSSIBLY
BD OR AK. TO SEND WW TWICE DAILY AND SET WATCH
ON AMERIKA 1 AT 0800/4.
2. BY 1223/2 HINEIN STUERMER BOATS INTENDING
RETURN PASSAGE BEFORE 10TH FEB TO REPORT DATE THAT NIGHT.
JZ TO RETURN STATE OF FLAK.













	PAGE 2 OF 3	032145Z NCR 8326




3. BY 1229/2 VL AND AC AND REISEER ALLOCATE YE
TO HEAD FOR PROBABLY AL AND TO SHIFT
TO DIANA AFTER SENDING PASSAGE REPORT.
4. BY 2017/2 WY IN BE 5243. AT 2241/2 CONTROL
ACKNOWLEDGED REPORT FROM VN IN BE 2679. PRESUMABLY
2228/2. AT 0354/3 CONTROL ACKNOWLEDGED 0201/3
FROM UNKNOWN IN BE 2985 PROBABLY GF.
5. CR RETURNING 4TH FEB AND AK 5TH FEB AND JZ
7TH FEB AND TO 9TH FEB. BY 0731/3 VO HAD BEGUN
RETURN.
6. BY 1641/2 YC RECEIVED 41 GROUPS OFFIZIER AND
BY 1706/2 HS 44 GROUPS.
7. JB TO SHIFT TO COASTAL AND HL TO IRELAND AT
0800/3. THIS STRENGTHENS THEORY THAT BA MADE













	PAGE 3 OF 3	032145Z NCR 8326




0147/30.
8. PM AND PG TO REPORT FORTHWITH WHETHER PUT DOWN
BY CORVETTE ON 1ST FEB. CONSIDER IS INVENTION
TO DISGUISE ROUTINE ENQUIRY FOR OVERDUE BOATS.
9. BY 1225/2 SA TO SHIFT TO AFRICA 1 AT 0800/-
AND TO SEND PASSAGE REPORT ON CROSSING LATITUDE
OF NAVSQ 55 SOUTH OF POSSIBLY
FK OR FM. PASSAGE REPORT POSSIBLY REQUIRED TO
CONFIRM SAFE PASSAGE THROUGH ASCENSION AIR.
10. BY 2341/2 KF INFORMED "SCHNORCHEL IS NOT
PROTECTED AGAINST ENEMY LOCATION". OUR EXPERTS WILL
CONSIDER IMPLICATIONS.
11. MY SERIAL 919. BP CANNOT DEGARBLE THEIR
COPY OF 302338.


2 COPIES DELIVERED TO F-34 FOR COMDR KNOWLES. .




	ADMIRALTY		PPP
		COMINCH (F21)
	5 FEBRUARY 44
	0900
	REESER
	MITCHELL



		041852Z NCR 9524




ULTRA MOST SECRET. COMINCH FOR F 21 OIC SERIAL 926
FROM ADMIRALTY OIC SERIAL 926

1. BY 1641/2 YC TO MEET KISFER IN
LOWER CORNER NOT ON 28/12/43 BOGOTA WAS IN-
FORMED IN SUNFISH MESSAGE THAT PROPOSALS FOR RENDEZ-
VOUS WITH KIEFER WERE APPROVED. IT APPEARS UNLIKELY
THAT BOGOTA WOULD MEET NIP SUB AND THAT MORE PROBABLE
MEANING FOR KIEFER WAS BRAKE VIDE OIC 898. IF SO 1641/2
MAY ALSO REFER TO BRAKE AND TASK OF YC MAY BE TO HAND
OVER CHARTS.
2. BY 1538/1 RESTRICTIONS ON ATTACKS ON INDEPENDENTS
CANCELLED FORTHWITH BETWEEN LATITUDES OF
NORTHERLY SQUARE POSSIBLY AK AND
PROBABLY DE. RESTRICTIONS TO REMAIN IN FORCE
NORTH AND SOUTH OF THESE LATITUDES PRESUMABLY FOR













			041852Z NCR 9524




	BENEFIT OF RIO GRANDE BRAKE AND BOGOTA.
	3. SUGGEST POSITION FOR RENDEZVOUS IF BETWEEN YC AND
	BRAKE IS DF 8556 ALTERNATIVELY CD 8556 BUT POSSIBILITY
	EXISTS THAT 1641/2 KIEFER MAY STILL BE NIP SUB.
	4. BY 1706/2 HS TO MEET SCHILEMANN AT 1200 LOCAL TIME
	11 IN LOWER RIGHT HAND CORNER POSSIBLY
	KJ OR KH.



	2 COPIES TO COMDR KNOWLES.