MIRAI

MIRAI (IMO: 9459761) sailing under the Japan flag. It has an overall length of 253 feets and a beam of 39 feets.

Vessel Identification

• MMSI: 431000467
• IMO: 9459761
• Call Sign: JD2542
• Flag: Japan
• Vessel Type: Research Vessel
• AIS Type: 31 (Tug - though classified operationally as research vessel)

Specifications

• Gross Tonnage: 4,451 GT
• Deadweight: 1,300 DWT
• Length Overall: 128.0 m
• Beam: 19.0 m
• Draft: 7.0 m
• Year Built: 2009

Propulsion

• Propulsion Type: Diesel-Electric
• Drive Type: Azimuth thruster / controllable pitch propeller
• Service Speed: 16 knots
• Dynamic Positioning: Equipped with dynamic positioning system (DP)

Shipyard

• Builder: Mitsubishi Heavy Industries
• Build Location: Nagasaki, Japan
• Delivered: 2009

Owner / Operator

• Owner: Japan Agency for Marine-Earth Science and Technology (JAMSTEC)
• Operator: JAMSTEC
• Home Port: Yokosuka, Japan

Navigation / Communications Equipment

• AIS Class: Class A
• GMDSS: Equipped
• Navigation Radar: Equipped
• Satellite Communications: Equipped for extended oceanic research operations

Operating Region

• Primary Region: Pacific Ocean, Southern Ocean, Arctic and Antarctic waters
• Operation Type: Deep-sea and oceanic research voyages
• Range: Global operations, including high-latitude deployments

Vessel Description

MIRAI is a Japanese ocean research vessel operated by the Japan Agency for Marine-Earth Science and Technology (JAMSTEC). Built by Mitsubishi Heavy Industries and delivered in 2009, the vessel is one of Japan's primary platforms for oceanographic, atmospheric, and climate-related scientific research. MIRAI is equipped with advanced scientific instrumentation supporting deep-sea observation, water sampling, acoustic surveys, and atmospheric monitoring. The vessel regularly conducts research expeditions in the North Pacific, Arctic Ocean, and other remote oceanic regions in support of Japan's national and international earth science programs.