U-196: The Longest Submarine Patrol of World War II
The history of the U-196 is marked by endurance and mystery. As a German submarine operating during World War II, this vessel undertook some of the most ambitious voyages of the conflict, pushing the limits of naval endurance and navigating the vast reaches of the Indian Ocean and the Far East.
Key Facts
- Longest Patrol: Completed the longest WWII submarine patrol, lasting 225 days.
- Operational Range: Sailed from Kiel, Germany, around the coast of South Africa, and into the Indian Ocean.
- Combat Record: Sank three British merchant vessels across two patrols.
- Final Status: Listed as missing as of December 12, 1944, in the Sunda Straits.
The Record-Breaking First Patrol
Under the command of Kentrat, U-196 embarked on a historic mission that would set a wartime record. Leaving Kiel on March 13, 1943, the submarine navigated the treacherous waters around the coast of South Africa to reach the Indian Ocean. The vessel did not return to Bordeaux until October 23, 1943.
During this 225-day deployment, the crew faced extreme isolation and environmental challenges. Despite the duration, the mission was tactically active, resulting in the sinking of two British merchant ships in the Indian Ocean.
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Deployment to the Far East
The second patrol began on March 16, 1944, when U-196 departed Bordeaux alongside U-181. Their destination was the Far East, a strategic shift in operations toward the Pacific theater. During the transit, U-196 successfully sank another British freighter in the Indian Ocean before arriving at Penang on August 10, 1944.
Transfer to the 33rd U-boat Flotilla
On October 1, 1944, U-196 was officially transferred to the 33rd U-boat Flotilla, a specialized unit for operations in the East. By late November, the submarine was stationed in Batavia (modern-day Jakarta, Indonesia) under the command of Oberleutnant zur See Werner Striegler.
The Final Voyage and Disappearance
The final chapter of U-196 began on November 30, 1944, when the submarine departed Batavia. Shortly after leaving, the vessel was reassigned to a refueling mission for a sister U-boat in the Indian Ocean. However, the planned rendezvous never occurred.
Throughout early December 1944, naval command attempted to contact U-196, but the submarine failed to respond or signal its position. Consequently, on December 12, 1944, U-196 was officially listed as missing in the Sunda Straits, south of Java.
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The Mystery of the Sinking
To this day, the wreck of U-196 has never been located, and the exact cause of its loss remains unknown. One theory suggests the submarine may have struck a mine laid by the British submarine HMS Porpoise. However, historical records complicate this theory, as HMS Porpoise did not begin laying mines until December 9, 1944, several days after U-196's last known activity.
A poignant detail of the vessel's history is the fate of Oberleutnant zur See Dr. Ing. Heinz Haake. He is buried at Arca Domas in Bogor, Java, alongside members of the World War I German East Asia Squadron. Interestingly, a memorial lists his date of death as November 30, 1944—the very day U-196 began its final voyage.
U-196 Operational Summary
| Patrol | Departure Date | Return/End Date | Key Achievement/Outcome |
|---|---|---|---|
| First | March 13, 1943 | October 23, 1943 | 225 days at sea; 2 British ships sunk |
| Second | March 16, 1944 | August 10, 1944 | 1 British freighter sunk; reached Penang |
| Third | November 30, 1944 | December 12, 1944 | Listed as missing in the Sunda Straits |
Frequently Asked Questions
What was the most significant achievement of U-196?
U-196 completed the longest patrol by any submarine during World War II, spending 225 consecutive days at sea during its first mission.
How many ships did U-196 sink?
The submarine sank a total of three British vessels: two merchant ships during its first patrol and one freighter during its second patrol.
Where did U-196 disappear?
U-196 was listed as missing in the Sunda Straits, located south of Java, Indonesia.
Was the cause of the sinking ever confirmed?
No, the cause remains unknown and the wreck has never been found. While some suggest a mine laid by HMS Porpoise, the timing of the mine-laying makes this unlikely.
Who was the commander during the final voyage?
The submarine was commanded by Oberleutnant zur See Werner Striegler during its third and final patrol.