Cargo ship · Flag JP

SEIWA MARU

SEIWA MARU is a cargo ship (IMO 9336933, MMSI 431200693, flag JP). Its last AIS position was reported on 13 Oct 2026 at 18:27 UTC, bound for >JP NGO B2.

Last position

Position35.04° N, 140.37° E
Reported18:27 UTC13 Oct 2026
Speed23.0 kn
Course57°

Status: Under way using engine · Destination as broadcast: >JP NGO B2 · ETA as broadcast: 12 Oct 2026, 10:40 UTC

Position of MMSI 431200693, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameSEIWA MARU
IMO number9336933
MMSI431200693
Call signJD2213
TypeCargo ship
FlagJP (from the MMSI country code)
Length × beam167 m × 31 m
Highest reported draught7.6 m (last 30 days)
Estimated deadweight≈ 43,900 t (Handymax) — estimated from AIS dimensions
Destination as broadcast>JP NGO B2
Seen in AIS11 Oct 2026 – 13 Oct 2026 (last 30 days)

Port calls

No port calls detected in the last 60 days.

SEIWA MARU in the API

The full track, every port call and the live position of SEIWA 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/9336933/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/imo/9336933/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.