- 1 -   
 
 
Addendum to the K.T.B. U-461
  
 
5th War Patrol.
  
     
   A.)  Experience report.  
          The fuel oil and lubricating oil transfer was completed in the same manor as on the 4th war patrol.  In contrast to recent oiling provisions, light oiling gear was used without stiffening steel cord. In my opinion, this steel cord is another complication of the gear.  As this war patrol showed, this steel cord is superfluous.  Weather conditions were always unfavorable, for the most part moderate to large seas prevailed.   The hose tore once, however, this was due to the awkward maneuvering of the boat to be supplied.  
 

        To improve this simplified light oiling gear it is merely suggested that a short clad section of hose be inserted so that the underlying mat on the supplied boat, which is always slipping, can be omitted. The eye for the tripping line must be fastened on this section of hose.

  
          Supply was always with the sea or swell with smallest possible power setting of the E-motors.  This resulted in no driving difficulties, except the one case in which the hose tore.  
          Provisions delivery was executed partly with the rubber boat, partly by means of line and canister.  
          The boat could still work well in high swells with the rubber boat, however, it was occasionally made more difficult or questionable by awkward seamanship of the boat to be supplied. Also the careless treatment, on the boats to be supplied, of the canisters is to be mentioned.  Some went overboard due to carelessness, some were hit so hard against the side of the hull that after supplying half of the boats we had no waterproof canisters left.  
     
  B.  Transfer report.  
     
     
     
     
     
     
     
     
     
     
     
     
Click the flag to view the above page from the original German KTB
     
 
- 2 -
  
     
  1.  Machinery.  
     
 
Serial No.
Date
Boat No.
Fuel oil cbm
Lub. oil liters
Distilled water liters
Drinking water liters
V and M
1
1 May
631
28
/
/
/
/
2
1 May
610
23
1000
/
/
/
3
2 May
267
80
2000
/
/
V
4
2 May
108
70
4000
/
/
V
5
2 May
706
13
/
/
/
V + M
6
5 May
598
35
1500
/
/
V
7
9 May
662
12
/
/
/
V
8
9 May
266
/
1000
250
/
V + M
9
10 May
707
77
/
/
/
V
10
10 May
413
81
1500
/
/
V + M
11
10 May
552
81
/
/
/
V
12
12 May
264
80
1500
/
/
V + M
13
15 May
221
27
/
/
1900
V + M
14
15 May
666
20
/
/
/
/
15
15 May
642
35
/
/
/
V
16
15 May
603
27
/
/
/
/
 
Total:
689 cbm
12500 liters
250 liters
1900 liters
 
17
5 May
532
M
18
11 May
228
V + M
19
19 May
217
V + M
 
Taken over.
20
7 May
528
100 cbm fuel oil
 
     
  M = machine spare parts  
  V = consumables  
     
     
     
     
     
     
     
     
 
- 3 -
  
     
  2.  Provisions.  
     
 
The boat was equipped with
  
 
90 days delivery provisions
  
 
70 days own provisions
  
 
Delivery to individual boats amounted to:
  
     
 
Serial No.
Date
Boat
Days
Notes.
1.
1 May
U-267
15
Delivery provisions
2.
2 May
U-610
5
"
3.
2 May
U-108
10
"
4.
2 May
U-706
5
"
5.
5 May
U-598
5
"
6.
8 May
U-662
10
"
7.
10 May
U-552
15
"
8.
10 May
U-707
10
"
9.
10 May
U-413
15
"
10.
11 May
U-264
10
Own provisions
11.
16 May
U-221
5
"
   
Total:
105
  
 
     
 
Additional Own Provisions transferred
  
     
 
1.
5 May
U-532
 Bread, flour, eggs, fresh vegetables
2.
9 May
U-266
 Fresh meat, bread, fresh vegetables
3.
12 May
U-218
 Bread
4.
16 May
U-228
 Rice, bread, eggs, fresh produce
5.
16 May
U-666
 Meat, flour, fruit juice
6.
16 May
U-603
 Fresh produce, bread
7.
19 May
U-213
 Fresh produce, sugar, cigarettes
 
     
     
     
 
- 4 -
  
     
  3.  Medical care.  
          20 boats were supplied with medical care.  3 type IX, 1 type VII d, 16 type VII c.  
          On 15 boats treatment was provided with the rubber boat and in total 25 soldiers were medically treated. It was not possible to provide treatment to three boats because bad weather made treatment with the rubber boat impossible.   In these cases, arrangements for treatment were made by Radio Message.  Two times ill soldiers were treated aboard U-461.  
          Surgical interventions were carried out in 3 cases:  
  1)  From U-218:  Btsmt. Schröder with fracture of the lower leg.  
  2)  From U-228:  Mtr.Gefr. Radzuweit with gunshot wounds in both hands.  
  3)  From U-217:  Ltnt.z.S. Greus with viral hepatitis.  
  Delivered:  
  1)  To U-217:  Ob.Ltnt.z.S.d.Res. Asendoff.  
     
  4.  Radio parts.  
     
 
Delivered at sea: To U-267:  1 Metox cable
  To U-610:  1 Metox cable
  To U-108:  1 cross [antenna] with Metox cable
  To U-706:  1 cross with Metox cable
  To U-532:  1 Fu.M.B. No. 1409, 1 cross with cable
  To U-598:  1 Fu.M.B. No. 1426 (exchange), 1 vertical cable
  To U-528:  1 Metox cable
  To U-413:  1 Metox cable
  To U-707:  1 N.A.G. [Netz- und Anpassungsgerät NAG] No. EN 410 S 213926
  To U-552:  1 cross with cable
  To U-218:  1 Metox cable
  To U-228:  1 Stabilvolt 280/40 [voltage regulator tube]
   
Taken over at sea:  
  From U-487:  5 Fu.M.B., 7 crosses, 11 cables
 
     
     
     
     
     
     
     
     
     
     
     
 
- 5 -
  
     
  5.  Navigation.  
     
          Bridge binoculars and sextants were provided or exchanged with the following boats.  
     
 
To U-267: 7 sets of binoculars
To U-108: 4 sets of binoculars
To U-598: 5 sets of binoculars
To U-662: 7 sets of binoculars
To U-413: 4 sets of binoculars, 1 sextant exchanged.
To U-707: 4 sets of binoculars
To U-552: 10 sets of binoculars
To U-264: 3 sets of binoculars
To U-221: 3 sets of binoculars
To U-228: 9 sets of binoculars
To U-666: 3 sets of binoculars
To U-642: 5 sets of binoculars
To U-603 7 sets of binoculars
To U-217: 10 sets of binoculars, 1 sextant exchanged.
   
From U-487: 11 sets of binoculars taken over.