Vessel · Flag JP

KOUSHOU MARU

KOUSHOU MARU is a vessel (IMO 8742290, MMSI 431000731, flag JP). Its last AIS position was reported on 14 Oct 2026 at 09:02 UTC near Port of Namikata, bound for JP SAJ OFF.

Last position

Position34.12° N, 132.85° ENear Port of Namikata
Reported09:02 UTC14 Oct 2026
Speed13.6 kn
Course218°

Status: Under way using engine · Destination as broadcast: JP SAJ OFF · ETA as broadcast: 13 Oct 2026, 12:00 UTC

Position of MMSI 431000731, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameKOUSHOU MARU
IMO number8742290
MMSI431000731
Call signJD2795
TypeNot given
FlagJP (from the MMSI country code)
Length × beam80 m × 14 m
Highest reported draught5.4 m (last 30 days)
Estimated deadweight–
Destination as broadcastJP SAJ OFF
Seen in AIS12 Oct 2026 – 14 Oct 2026 (last 30 days)

Port calls

No port calls detected in the last 60 days.

KOUSHOU MARU in the API

The full track, every port call and the live position of KOUSHOU 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/8742290/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/imo/8742290/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.