Cargo ship · Flag JP

SEIEI MARU

SEIEI MARU is a cargo ship (IMO 9810848, MMSI 431521000, flag JP). Its last AIS position was reported on 15 Oct 2026 at 06:15 UTC, bound for >JP MUR OFF.

Last position

Position35.03° N, 140.29° E
Reported06:15 UTC15 Oct 2026
Speed11.5 kn
Course54°

Status: Under way using engine · Destination as broadcast: >JP MUR OFF · ETA as broadcast: 17 Oct 2026, 10:30 UTC

Position of MMSI 431521000, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameSEIEI MARU
IMO number9810848
MMSI431521000
Call sign7KDI
TypeCargo ship
FlagJP (from the MMSI country code)
Length × beam100 m × 17 m
Highest reported draught5.3 m (last 30 days)
Estimated deadweight≈ 5,560 t — estimated from AIS dimensions
Destination as broadcast>JP MUR OFF
Seen in AIS14 Oct 2026 – 15 Oct 2026 (last 30 days)

Port calls

No port calls detected in the last 60 days.

SEIEI MARU in the API

The full track, every port call and the live position of SEIEI 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/9810848/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/imo/9810848/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.