Titanic plans made public for first time, revealing secrets of “unsinkable” ship

For the first time in history, the technical plans and drawings used to build the RMS Titanic are being made accessible to the public, more than a century after the ship’s tragic maiden voyage in April 1912. The release comes as part of a broader effort to digitise and catalog hundreds of thousands of ship plans and documents from the historic Harland & Wolff shipyard in Belfast.

When Titanic set sail from Southampton to New York, she was the largest, most luxurious, and technologically advanced vessel of her era. Her electrical plant generated more power than a typical city power station, and her amenities included Turkish baths, a swimming pool, a gymnasium, and—remarkably—even some of the finest accommodations available for third-class passengers, BBC writes. 

The ship struck an iceberg during her maiden voyage, sinking within hours and claiming more than 1,500 lives. While she carried enough lifeboats to meet maritime regulations of the time, they only accommodated half of the people on board. Titanic’s watertight compartments had led many to consider her “unsinkable,” but five compartments were breached, causing the disaster. The wreck was discovered in 1985 by a team led by Dr. Robert Ballard, lying about 2.5 miles (4 km) beneath the North Atlantic, 370 miles (595 km) off Newfoundland in Canada.

The plans, now part of the Harland & Wolff ship plans archive housed at the Ulster Folk Museum’s Cultra Collections Store, also include her sister ships Olympic and Britannic. While Britannic sank in 1916 after striking a German mine while serving as a hospital ship during World War One, Olympic served as a transatlantic liner for 24 years.

Harland & Wolff, founded in 1861, was once among the world’s largest shipyards, renowned for its shipbuilding expertise. A major project, From Drawing Board to Slipway, funded by the Archives Revealed grant programme, is now cataloging the archive and making it available to a wider audience.

Siobhan McLaughlin, project archivist, said the initiative would “unlock the hidden histories of Belfast's heritage in shipbuilding.” William Blair, director of collections at National Museums Northern Ireland (NMNI), noted that access to the archive had previously been restricted to academics and researchers.

“This project, however, shows how working with partners can broaden engagement and demonstrates our enhanced commitment to making our collections available to a wider audience than ever before,” he said.

Alex Haley, director of operations at Navantia UK Harland & Wolff, which acquired the historic shipyard in 2025, welcomed the initiative. The public will now be able to access the ship plans online and can also make appointments to visit the physical plans and Harland & Wolff collection.

For history enthusiasts and maritime scholars worldwide, the project offers a rare glimpse into the engineering marvels of the early 20th century and the legendary ships that defined transatlantic travel.

By Sabina Mammadli