German submarine U-598 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.
She carried out four patrols, was part of four wolfpacks and sank two ships; she also damaged one other.
The boat was sunk by depth charges from two US aircraft, off the Brazilian coast on 23 July 1943.
German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-598 had a displacement of 769t when at the surface and 871t while submerged. She had a total length of 67.1m (220.1feet), a pressure hull length of 50.5m (165.7feet), a beam of 6.2m (20.3feet), a height of 9.6m (31.5feet), and a draught of 4.74m (15.55feet). The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of NaNPS for use while surfaced, two Brown, Boveri & Cie GG UB 720/8 double-acting electric motors producing a total of 750PS for use while submerged. She had two shafts and two 1.23abbr=onNaNabbr=on propellers. The boat was capable of operating at depths of up to .
The submarine had a maximum surface speed of and a maximum submerged speed of . When submerged, the boat could operate for at ; when surfaced, she could travel at . U-598 was fitted with five 53.30NaN0 torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one 8.82NaN2 SK C/35 naval gun, 220 rounds, and a 2sp=usNaNsp=us C/30 anti-aircraft gun. The boat had a complement of between forty-four and sixty.
The submarine was laid down on 11 January 1941 at Blohm & Voss, Hamburg as yard number 574, launched on 2 October 1941 and commissioned on 27 November under the command of Korvettenkapitän Gottfried Holtorf.
She served with the 8th U-boat Flotilla from 27 November 1941 for training and the 6th flotilla for operations from 1 July 1942 until her loss.
U-598s first patrol began from Kiel on 7 July 1942. She headed for the Atlantic Ocean via the gap separating Iceland and the Faroe Islands. One man drowned while carrying out maintenance on hydroplanes and propellers in mid-Atlantic on 5 August.
She damaged the Standella, sank the Michael Jebsen and the Empire Corporal, all on 14 August northwest of Barlovento Point, Cuba. The Empire Corporal had, as the, been damaged by a torpedo and bombs in the English Channel in 1940. She had been repaired and returned to service in 1942.
The boat arrived at St. Nazaire, in occupied France on 13 September.
U-598s second sortie was to the south of Greenland; it was relatively uneventful.
Her third foray also started and finished in St. Nazaire between March and May 1943.
The boat departed St. Nazaire for the last time on 26 June 1943. On 23 July she was sunk by depth charges dropped by two US Navy PB4Y-1 Liberators of VB-107 near Natal (on the Brazilian coast) at position -4.0833°N -56°W.
Forty-three men died with U-598; there were two survivors.
U-598 took part in four wolfpacks, namely:
| Date | Ship Name | Nationality | Tonnage (GRT) | Fate[1] | |
|---|---|---|---|---|---|
| 14 August 1943 | Empire Corporal |  United Kingdom | 6,972 | Sunk | |
| 14 August 1943 | Michael Jebson | United Kingdom | 2,323 | Sunk | |
| 14 August 1943 | Standella | United Kingdom | 6,197 | Damaged |