Cargo ship · Flag JP

SEIYU MARU

SEIYU MARU is a cargo ship (IMO 9611151, MMSI 431002433, flag JP). Its last AIS position was reported on 15 Oct 2026 at 22:54 UTC near Port of Akitafunagawa, bound for JP TMK.

Last position

Position39.82° N, 139.80° ENear Port of Akitafunagawa
Reported22:54 UTC15 Oct 2026
Speed10.4 kn
Course268°

Status: Under way using engine · Destination as broadcast: JP TMK · ETA as broadcast: 14 Oct 2026, 15:00 UTC

Position of MMSI 431002433, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameSEIYU MARU
IMO number9611151
MMSI431002433
Call signJD3189
TypeCargo ship
FlagJP (from the MMSI country code)
Length × beam74 m × 12 m
Highest reported draught4.6 m (last 30 days)
Estimated deadweight≈ 2,390 t — estimated from AIS dimensions
Destination as broadcastJP TMK
Seen in AIS13 Oct 2026 – 15 Oct 2026 (last 30 days)

Port calls

No port calls detected in the last 60 days.

SEIYU MARU in the API

The full track, every port call and the live position of SEIYU MARU 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/9611151/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/imo/9611151/port-calls?from=2026-10-10"

Sources

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.