Cargo ship · Flag JP

KOSHO MARU NO.3

KOSHO MARU NO.3 is a cargo ship (MMSI 431000607, flag JP). Its last AIS position was reported on 16 Oct 2026 at 22:31 UTC in Port of Katsunan Ko, bound for JP FNB IE KOBELCO.

Last position

Position35.65° N, 139.97° EIn Port of Katsunan Ko
Reported22:31 UTC16 Oct 2026
Speed6.7 kn
Course331°

Status: Under way using engine · Destination as broadcast: JP FNB IE KOBELCO · ETA as broadcast: 17 Oct 2026, 08:00 UTC

Position of MMSI 431000607, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameKOSHO MARU NO.3
IMO number–
MMSI431000607
Call signJD2663
TypeCargo ship
FlagJP (from the MMSI country code)
Length × beam73 m × 12 m
Highest reported draught4.9 m (last 30 days)
Estimated deadweight≈ 2,510 t — estimated from AIS dimensions
Destination as broadcastJP FNB IE KOBELCO
Seen in AIS11 Oct 2026 – 16 Oct 2026 (last 30 days)

Port calls

No port calls detected in the last 60 days.

KOSHO MARU NO.3 in the API

The full track, every port call and the live position of KOSHO MARU NO.3 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/431000607/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/431000607/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.