| Country | Ship | Weight | U-Boat | Commander | Date | Convoy | |
| Am |
|
Mary | 5,104 | U-129 | Asmus Nicolai Clausen | 3 Mar 1942 | |
| Am |
|
Collamer | 5,112 | U-404 | Otto von Büow | 5 Mar 1942 | HX-178 |
| Am |
|
Mariana | 3,110 | U-126 | Ernst Bauer | 5 Mar 1942 | |
| Am |
|
Barbara | 4,637 | U-126 | Ernst Bauer | 7 Mar 1942 | |
| Am |
|
Cardonia | 5,104 | U-126 | Ernst Bauer | 7 Mar 1942 | |
| Am |
|
Steel Age | 6,188 | U-129 | Asmus Nicolai Clausen | 7 Mar 1942 | |
| Am |
|
Gulftrade | 6,776 | U-588 | Victor Vogel | 10 Mar 1942 | |
| Am |
|
Caribsea | 2,609 | U-158 | Erwin Rostin | 11 Mar 1942 | |
| Am |
|
Olga | 2,496 | U-126 | Ernst Bauer | 12 Mar 1942 | |
| Am |
|
Texan | 7,005 | U-126 | Ernst Bauer | 12 Mar 1942 | |
| Am |
|
Albert F. Paul | 735 | U-332 | Johannes Liebe | 13 Mar 1942 | |
| Am |
|
Colabee(d) | 5,518 | U-126 | Ernst Bauer | 13 Mar 1942 | |
| Am |
|
John D. Gill | 11,641 | U-158 | Erwin Rostin | 13 Mar 1942 | |
| Am |
|
Lemuel Burrows | 7,610 | U-404 | Otto von Büow | 14 Mar 1942 | |
| Am |
|
Ario | 6,952 | U-158 | Erwin Rostin | 15 Mar 1942 | |
| Am |
|
Olean(d) | 7,118 | U-158 | Erwin Rostin | 15 Mar 1942 | |
| Am |
|
Acacia | 1,130 | U-161 | Albrecht Achilles | 15 Mar 1942 | |
| Am |
|
Australia | 11,628 | U-332 | Johannes Liebe | 16 Mar 1942 | |
| Am |
|
Acme(d) | 6,878 | U-124 | Johann Mohr | 17 Mar 1942 | |
| Am |
|
E.M. Clark | 9,647 | U-124 | Johann Mohr | 18 Mar 1942 | |
| Am |
|
Liberator | 7,720 | U-332 | Johannes Liebe | 19 Mar 1942 | |
| Am |
|
Papoose | 5,939 | U-124 | Johann Mohr | 19 Mar 1942 | |
| Am |
|
W.E. Hutton | 7,076 | U-124 | Johann Mohr | 19 Mar 1942 | |
| Am |
|
Oakmar | 5,766 | U-71 | Walter Flachsenberg | 20 Mar 1942 | |
| Am |
|
Atlantic Sun(d) | 11,355 | U-124 | Johann Mohr | 21 Mar 1942 | |
| Am |
|
Esso Nashville(d) | 7,934 | U-124 | Johann Mohr | 21 Mar 1942 | |
| Am |
|
Muskogee | 7,034 | U-123 | Reinhard Hardegen | 22 Mar 1942 | |
| Am |
|
Naeco | 5,373 | U-124 | Johann Mohr | 23 Mar 1942 | |
| Am |
|
Dixie Arrow | 8,046 | U-71 | Walter Flachsenberg | 26 Mar 1942 | |
| Am |
|
Atik | 3,209 | U-123 | Reinhard Hardegen | 27 Mar 1942 | |
| Am |
|
City of New York | 8,272 | U-160 | Georg Lassen | 29 Mar 1942 | |
| Am |
|
Effingham | 6,421 | U-435 | Siefgried Strelow | 30 Mar 1942 | PQ-13 |
| Am |
|
Effingham(d) | 6,421 | U-456 | Max-Martin Teichert | 30 Mar 1942 | PQ-13 |
| Am |
|
Allegheny | 914 | U-754 | Hans Oestermann | 31 Mar 1942 | |
| Am |
|
Barnegat | 914 | U-754 | Hans Oestermann | 31 Mar 1942 | |
| Am |
|
Menominee | 441 | U-754 | Hans Oestermann | 31 Mar 1942 | |
| Am |
|
Ontario(d) | 490 | U-754 | Hans Oestermann | 31 Mar 1942 | |
| Total - Am | 210,323 | ||||||
| Br |
|
Carperby | 4,890 | U-588 | Victor Vogel | 1 Mar 1942 | ON-66 |
| Br |
|
Helenus | 7,366 | U-68 | Karl-Friedrich Merten | 3 Mar 1942 | |
| Br |
|
Benmohr | 5,920 | U-505 | Axel-Olaf Loewe | 5 Mar 1942 | |
| Br |
|
Rononia | 213 | U-701 | Horst Degen | 6 Mar 1942 | |
| Br |
|
Baluchistan | 6,992 | U-68 | Karl-Friedrich Merten | 8 Mar 1942 | |
| Br |
|
Hengist | 984 | U-569 | Hans-Peter Hinsch | 8 Mar 1942 | |
| Br |
|
Northern Princess | 655 | U-587 | Ulrich Borcherdt | 8 Mar 1942 | |
| Br |
|
Notts County | 541 | U-701 | Horst Degen | 9 Mar 1942 | |
| Br |
|
Umtata(d) | 8,141 | U-161 | Albrecht Achilles | 10 Mar 1942 | |
| Br |
|
Naiad | 5,450 | U-565 | Johann Jebsen | 11 Mar 1942 | |
| Br |
|
Stella Capella | 507 | U-701 | Horst Degen | 11 Mar 1942 | |
| Br |
|
British Resource | 7,209 | U-124 | Johann Mohr | 14 Mar 1942 | |
| Br |
|
Baron Newlands | 3,386 | U-68 | Karl-Friedrich Merten | 16 Mar 1942 | |
| Br |
|
Stangarth | 5,966 | U-504 | Hans-Georg Friedrich Poske | 16 Mar 1942 | |
| Br |
|
Allende | 5,081 | U-68 | Karl-Friedrich Merten | 17 Mar 1942 | |
| Br |
|
Crista(d) | 2,590 | U-83 | Hans-Werner Kraus | 17 Mar 1942 | AT-34-M |
| Br |
|
Ile de Batz | 5,755 | U-68 | Karl-Friedrich Merten | 17 Mar 1942 | |
| Br |
|
San Demetrio | 8,073 | U-404 | Otto von Büow | 17 Mar 1942 | |
| Br |
|
Scottish Prince | 4,917 | U-68 | Karl-Friedrich Merten | 17 Mar 1942 | |
| Br |
|
Heythrop | 1,050 | U-652 | Georg-Werner Fraatz | 20 Mar 1942 | |
| Br |
|
Athelviscount(d) | 8,882 | U-202 | Hans-Heinz Linder | 22 Mar 1942 | ON-75 |
| Br |
|
Thursobank | 5,575 | U-373 | Paul-Karl Loeser | 22 Mar 1942 | |
| Br |
|
British Prudence | 8,620 | U-754 | Hans Oestermann | 23 Mar 1942 | HX-181 |
| Br |
|
Diala | 8,106 | U-587 | Ulrich Borcherdt | 23 Mar 1942 | ON-52 |
| Br |
|
Empire Steel | 8,138 | U-123 | Reinhard Hardegen | 24 Mar 1942 | |
| Br |
|
Imperial Transport(d) | 8,022 | U-94 | Otto Ites | 25 Mar 1942 | ON-77 |
| Br |
|
Narragansett | 10,389 | U-105 | Heinrich Schuch | 25 Mar 1942 | |
| Br |
|
Jaguar | 1,690 | U-652 | Georg-Werner Fraatz | 26 Mar 1942 | |
| Br |
|
Slavol | 2,623 | U-205 | Franz-Georg Reschke | 26 Mar 1942 | |
| Br |
|
Hertford | 10,923 | U-571 | Helmut Mohlmann | 29 Mar 1942 | |
| Br |
|
Induna | 5,086 | U-376 | Friedrich Karl-Marks | 30 Mar 1942 | PQ-13 |
| Br |
|
Muncaster Castler | 5,853 | U-68 | Karl-Friedrich Merten | 30 Mar 1942 | ST-18 |
| Br |
|
San Gerardo | 12,915 | U-71 | Walter Flachsenberg | 31 Mar 1942 | |
| Total - Br | 182,508 | ||||||
| Bz |
|
Arabutan | 7,874 | U-155 | Adolf Cornelius Piening | 7 Mar 1942 | |
| Bz |
|
Cayrú | 5,152 | U-94 | Otto Ites | 9 Mar 1942 | |
| Total - Bz | 13,026 | ||||||
| Ca |
|
Lady Nelson(d) | 7,970 | U-161 | Albrecht Achilles | 10 Mar 1942 | |
| Ca |
|
Sarniadoc | 1,940 | U-161 | Albrecht Achilles | 14 Mar 1942 | |
| Total - Ca | 9,910 | ||||||
| Cl |
|
Tolten | 1,858 | U-404 | Otto von Büow | 13 Mar 1942 | |
| Total - Cl | 1,858 | ||||||
| Fa |
|
Nyggjaberg | 349 | U-701 | Horst Degen | 7 Mar 1942 | |
| Total - Fa | 349 | ||||||
| Go |
|
Hans Egede | 900 | U-587 | Ulrich Borcherdt | 6 Mar 1942 | |
| Total - Go | 900 | ||||||
| Gr |
|
Lily | 5,719 | U-587 | Ulrich Borcherdt | 9 Mar 1942 | ON-68 |
| Gr |
|
Mount Lycabettus | 5,292 | U-373 | Paul-Karl Loeser | 17 Mar 1942 | |
| Gr |
|
Kassandra Louloudis | 5,106 | U-124 | Johann Mohr | 18 Mar 1942 | |
| Total - Gr | 16,117 | ||||||
| Ho |
|
Ceiba | 1,698 | U-124 | Johann Mohr | 17 Mar 1942 | |
| Total - Ho | 1,698 | ||||||
| Nl |
|
Ocana | 6,256 | U-552 | Erich Topp | 25 Mar 1942 | |
| Total - Nl | 6,256 | ||||||
| Nw |
|
Finnanger | 9,551 | U-158 | Erwin Rostin | 1 Mar 1942 | ON-67 |
| Nw |
|
Gunny | 2,362 | U-126 | Ernst Bauer | 2 Mar 1942 | |
| Nw |
|
O.A. Knudsen | 11,007 | U-128 | Ulrich Heyse | 5 Mar 1942 | |
| Nw |
|
Sydhav | 7,587 | U-505 | Axel-Olaf Loewe | 6 Mar 1942 | |
| Nw |
|
Tyr | 4,265 | U-96 | Heinrich Lehmann-Willenbrock | 9 Mar 1942 | |
| Nw |
|
Hvoslef | 1,630 | U-94 | Otto Ites | 11 Mar 1942 | |
| Nw |
|
Ingerto | 3,089 | U-578 | Ernst-August Rehwinkel | 12 Mar 1942 | ON-70 |
| Nw |
|
Ranja | 6,355 | U-71 | Walter Flachsenberg | 17 Mar 1942 | |
| Nw |
|
Svenør | 7,616 | U-105 | Heinrich Schuch | 27 Mar 1942 | |
| Total - Nw | 53,462 | ||||||
| Pa |
|
Esso Bolivar(d) | 10,389 | U-126 | Ernst Bauer | 8 Mar 1942 | |
| Pa |
|
Hanseat | 8,241 | U-126 | Ernst Bauer | 9 Mar 1942 | |
| Pa |
|
Penelope | 8,436 | U-67 | Gönther Möer-Stöckhei | 14 Mar 1942 | |
| Pa |
|
Equipoise | 6,210 | U-160 | Georg Lassen | 27 Mar 1942 | |
| Total - Pa | 33,276 | ||||||
| Sa |
|
Uniwaleco | 9,755 | U-161 | Albrecht Achilles | 7 Mar 1942 | |
| Total - Sa | 9,755 | ||||||
| Sj |
|
Komintern | 577 | U-436 | Günther Seibicke | 1 Mar 1942 | |
| Total - Sj | 577 | ||||||
| Yu |
|
Trepca | 5,042 | U-332 | Johannes Liebe | 13 Mar 1942 | |
| Total - Yu | 5,042 | ||||||
| Total Damaged | 91,708 | ||||||
| Total Sunk | 453,349 |