Matsya-6000 deep-ocean submersible completes wet tests at Kattupalli
India's fourth-generation deep-ocean submersible Matsya-6000 completed wet tests at L&T's Kattupalli shipbuilding facility near Chennai, held from 27 January to 12 February 2025.
Summary
Matsya-6000, India's fourth-generation human scientific submersible being developed by the National Institute of Ocean Technology (NIOT) under the Deep Ocean Mission's Samudrayan project, completed wet tests at the L&T Shipbuilding facility at Kattupalli Port near Chennai between 27 January and 12 February 2025, the Ministry of Earth Sciences said. The wet tests followed integrated dry tests over a 500-metre operational range. The submersible carries three people in a 2.1-metre spherical hull, and a 500-metre depth demonstration is planned by the end of 2025.
Key facts
- Wet tests
- 27 January–12 February 2025, Kattupalli Port near Chennai (L&T Shipbuilding)
- Developer
- NIOT, Ministry of Earth Sciences
- Programme
- Samudrayan project, Deep Ocean Mission
- Crew and hull
- Three people; 2.1-metre spherical hull
- Next
- 500-metre demonstration by end of 2025
Practice MCQs 3 questions
Where did the Matsya-6000 submersible undergo wet tests from 27 January to 12 February 2025?
Show answer
Correct answer: D — Kattupalli Port near Chennai
The wet tests were held at the L&T Shipbuilding facility at Kattupalli Port near Chennai.
Which institute is developing the Matsya-6000 submersible?
Show answer
Correct answer: A — National Institute of Ocean Technology
The Ministry of Earth Sciences entrusted the National Institute of Ocean Technology (NIOT) with designing and developing Matsya-6000.
What is the diameter of the spherical crew hull of the Matsya-6000 submersible?
Show answer
Correct answer: B — 2.1 metres
Matsya-6000 accommodates three people within a 2.1-metre diameter spherical hull.