Cargo ship · Flag JP

SEIGAMARU

SEIGAMARU is a cargo ship (IMO 9673771, MMSI 431004012, flag JP). Its last AIS position was reported on 15 Oct 2026 at 01:27 UTC in Port of Kawasaki Ko, bound for >JP KSM NE. AIS Trail recorded 1 port call in the last 60 days, most recently at Katsunan Ko.

Last position

Position35.45° N, 139.78° EIn Port of Kawasaki Ko
Reported01:27 UTC15 Oct 2026
Speed12.5 kn
Course232°

Status: Under way using engine · Destination as broadcast: >JP KSM NE · ETA as broadcast: 17 Oct 2026, 18:00 UTC

Position of MMSI 431004012, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameSEIGAMARU
IMO number9673771
MMSI431004012
Call signJD3429
TypeCargo ship
FlagJP (from the MMSI country code)
Length × beam75 m × 12 m
Highest reported draught4.9 m (last 30 days)
Estimated deadweight≈ 2,590 t — estimated from AIS dimensions
Destination as broadcast>JP KSM NE
Seen in AIS13 Oct 2026 – 15 Oct 2026 (last 30 days)

Port calls

Port calls detected by AIS Trail in the last 60 days, newest first.

PortArrived (UTC)Departed (UTC)Time in port
Katsunan Ko JP13 Oct 2026, 08:47 UTC15 Oct 2026, 00:10 UTC39 h 22 min

SEIGAMARU in the API

The full track, every port call and the live position of SEIGAMARU are available through the AIS Trail API. A free key covers the last 7 days of history; paid plans cover the last 12 months, and Pro and Business add live positions.

curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/imo/9673771/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/imo/9673771/port-calls?from=2026-10-10"

Sources

  • Live AIS via aisstream.io, provided without warranty. No published terms
  • Port reference: World Port Index (Pub. 150), National Geospatial-Intelligence Agency (NGA).

Flags come from the MMSI country code, deadweight and size class are estimates from AIS dimensions, port calls are detected by AIS Trail from position reports. All sources and licences: Data sources.

Not for navigation. AIS data can be missing, delayed or wrong; do not use it for navigation, collision avoidance, search and rescue or any other safety-of-life purpose.