Cargo ship · Flag JP

KOHAKU

KOHAKU is a cargo ship (IMO 9931771, MMSI 431018476, flag JP). Its last AIS position was reported on 17 Oct 2026 at 10:54 UTC near Port of Shinagawa, Tokyo, bound for >JP TYO V-F. AIS Trail recorded 2 port calls in the last 60 days, most recently at Tokyo Ko.

Last position

Position35.61° N, 139.79° ENear Port of Shinagawa, Tokyo
Reported10:54 UTC17 Oct 2026
Speed0.0 kn
Course300°

Status: Moored · Destination as broadcast: >JP TYO V-F · ETA as broadcast: 17 Oct 2026, 08:00 UTC

Position of MMSI 431018476, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameKOHAKU
IMO number9931771
MMSI431018476
Call signJD5046
TypeCargo ship
FlagJP (from the MMSI country code)
Length × beam92 m × 14 m
Highest reported draught5.0 m (last 30 days)
Estimated deadweight≈ 3,910 t — estimated from AIS dimensions
Destination as broadcast>JP TYO V-F
Seen in AIS10 Oct 2026 – 17 Oct 2026 (last 30 days)

Port calls

Port calls detected by AIS Trail in the last 60 days, newest first.

PortArrived (UTC)Departed (UTC)Time in port
Tokyo Ko JPTYO16 Oct 2026, 22:50 UTCNo departure yet–
Kawasaki Ko JPKWS10 Oct 2026, 18:32 UTC11 Oct 2026, 09:05 UTC14 h 33 min

KOHAKU in the API

The full track, every port call and the live position of KOHAKU 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/9931771/track?from=2026-10-11&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/imo/9931771/port-calls?from=2026-10-11"

Sources

  • Live AIS via aisstream.io, provided without warranty. No published terms
  • Port reference: UN/LOCODE, United Nations Economic Commission for Europe (UNECE), https://unlocode.unece.org, license CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Modified: port entries selected, deduplicated and merged with the World Port Index.
  • Port reference: World Port Index (Pub. 150), National Geospatial-Intelligence Agency (NGA).

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.