Irish Sea at least 273 wrecks at the bottom. With the help of sonar, scientists found a ship that tried to save the "never sinking" liner more than a hundred years ago.
Titanic sinking could have avoided
11 In September 2018, a ship built by the Harland & Wolff shipyard was launched in Belfast ( Ireland ). The ship was originally called Winifreda, but it was recorded in history under the name Mesaba.
For nearly 15 years, Winifreda Mesaba has been an ordinary steamboat. At first, the ship belonged to the U.S. Atlantic transportation line. The company conducts transatlantic passenger and cargo passenger flights. For several years, the Mesaba sailed under the flag of Belgium and experienced multiple collisions with other ships (that was not uncommon at the time). By 1912, she had been listed as a replacement ship on the British and American trade line.
Steamship Mesaba
11912 On April 10, the world's largest passenger ship Titanic left Southampton for New York. Everyone knows how his first and last voyage ended: on the evening of April 15, he collided with an iceberg, killing nearly 15,000 people.
Less well known is that the Titanic can and should avoid icebergs. On the same day in April 1912, its infrequent (as it was used as a substitute ship) was conducted by Mesaba, a steamer owned by Red Star Shipping at the time. Captain Mesaba, north of the Titanic, correctly assessed the ice and sent warning radiography to the liner (and all ships sailing east). It says:
"From the Mesaba to the Titanic, and all the ships heading east. Thick ice accumulations and many large icebergs were observed at 42° - 41°25' N and 49° - 50°30' W and on the ice fields.
The passengers of the Titanic were having supper at the time, and the liner's radio operators sent their messages urgently to the world, mainly for their enthusiasm for swimming. He was too busy to put Mesaba The ray photo was brought to the captain. In addition, when the radio operator of Mesaba sent the following message, he asked to confirm that the information was passed to the captain himself, his colleagues on the Titanic ignored him at all. Two hours later, the Titanic collided with an iceberg.
We know the further fate of this ship trying to save the Titanic: During the World War I , the ship sailed as part of the convoy. On September 1, 1918, the German submarine UB-118 The Mesaba in the Irish Sea was sunk with torpedo . 20 crew members, including the captain, died.
Bangor University (UK) researchers reported that they found "Mesaba" on the seabed. They did this with multi-beam sonar, a tool that is roughly the same as the importance of aerial photography to landscape archaeology. The multi-beam sonar mapped the seabed so detailed that details of the superstructure can be seen in the sonar images.
"Mesaba" was sunk by a German submarine on a voyage from Liverpool to Philadelphia, sinking in the Irish Sea
in total 273 The ship was scanned with sonar at the bottom of the Irish sea and marked on a map. Once the location of the shipwreck was found, the researchers would find matching the shipwreck database and other sources of the British Hydrological Office.
Of course, some ships are still unrecognizable anyway. Some, such as Mesaba, have been misidentified in the past and need to be re-checked. Previously, it was only when working directly underwater that could it be reliably determined which ship was on the seabed . It was a very expensive pleasure, not only limited by economical limitations, but also by the number of trained underwater archaeologists.
Multibeam sonar solves this problem by displaying the wreckage in detail enough to be recognized.
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