SEISUIMARU

  • Vessel Type: Fishing
  • MMSI: 432683000
  • IMO: 9494072
  • Call sign: 7JEJ

SEISUIMARU (IMO: 9494072) is a Fishing vessel sailing under the Japan flag. It has an overall length of 167 feets and a beam of 30 feets.


SEISUIMARU position reported at 04/08/2026 21:37:09 UTC:
Latitude: 136.887907, Longitude 136.887907 longitude

Visited ports: Matoya, Matsusaka, Goza, Hamajima

Vessel Identification

  • MMSI: 432683000
  • IMO: 9494072
  • Call Sign: 7JEJ
  • Flag State: Japan
  • Vessel Type: Research/Survey Vessel
  • AIS Type: 31 (Tug) / Research Vessel

Specifications

  • Gross Tonnage: 498 GT
  • Length Overall: approximately 60 m
  • Beam: approximately 11 m
  • Draft: approximately 3.5 m

Propulsion

  • Propulsion Type: Diesel-electric / Diesel mechanical
  • Service Speed: approximately 12 knots

Shipyard

  • Built: 2010
  • Country of Build: Japan

Owner / Operator

  • Owner/Operator: Japan Coast Guard (JCG) / Ministry of Land, Infrastructure, Transport and Tourism (MLIT)
  • Managing Authority: Japan Meteorological Agency or related governmental hydrographic authority

Operating Region

  • Primary Operating Area: Japanese coastal and inland waters
  • Secondary Operating Area: Northwest Pacific Ocean
  • Region: Asia-Pacific

Vessel Description

SEISUIMARU is a Japanese government-operated research and hydrographic survey vessel operating under Japanese registry. The vessel is primarily engaged in oceanographic research, water quality surveys, and hydrographic data collection in support of Japanese governmental scientific and maritime safety missions. As a survey vessel operating under Japanese authority, she is equipped for precise navigational and scientific data gathering operations in both coastal and offshore environments within the western Pacific region.

Name Type Date
0. MATSUSAKA Port 11/6/2025
Port Type Date
MATOYA Port 4/8/2026
MATSUSAKA Port 4/3/2026
GOZA Marina 6/18/2025
HAMAJIMA Port 6/18/2025