Tanker · Flag JP

KOUSHINMARU

KOUSHINMARU is a tanker (IMO 9724128, MMSI 431005815, flag JP). Its last AIS position was reported on 14 Oct 2026 at 12:28 UTC near Port of Kikuma Ko, bound for JP HJO OFF.

Last position

Position34.08° N, 132.83° ENear Port of Kikuma Ko
Reported12:28 UTC14 Oct 2026
Speed12.1 kn
Course224°

Status: Under way using engine · Destination as broadcast: JP HJO OFF · ETA as broadcast: 14 Oct 2026, 23:00 UTC

Position of MMSI 431005815, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameKOUSHINMARU
IMO number9724128
MMSI431005815
Call signJD3754
TypeTanker
FlagJP (from the MMSI country code)
Length × beam75 m × 11 m
Highest reported draught5.1 m (last 30 days)
Estimated deadweight≈ 2,500 t — estimated from AIS dimensions
Destination as broadcastJP HJO OFF
Seen in AIS10 Oct 2026 – 14 Oct 2026 (last 30 days)

Port calls

No port calls detected in the last 60 days.

KOUSHINMARU in the API

The full track, every port call and the live position of KOUSHINMARU 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/9724128/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/imo/9724128/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.