Cargo ship · Flag JP

KOURYU

KOURYU is a cargo ship (IMO 1044649, MMSI 431023537, flag JP). Its last AIS position was reported on 13 Oct 2026 at 09:29 UTC near Port of Akitafunagawa, bound for JP OFT OFF.

Last position

Position39.81° N, 139.90° ENear Port of Akitafunagawa
Reported09:29 UTC13 Oct 2026
Speed10.5 kn
Course276°

Status: Under way using engine · Destination as broadcast: JP OFT OFF · ETA as broadcast: 15 Oct 2026, 01:00 UTC

Position of MMSI 431023537, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameKOURYU
IMO number1044649
MMSI431023537
Call signJD5358
TypeCargo ship
FlagJP (from the MMSI country code)
Length × beam76 m × 13 m
Highest reported draught4.7 m (last 30 days)
Estimated deadweight≈ 2,730 t — estimated from AIS dimensions
Destination as broadcastJP OFT OFF
Seen in AIS10 Oct 2026 – 13 Oct 2026 (last 30 days)

Port calls

No port calls detected in the last 60 days.

KOURYU in the API

The full track, every port call and the live position of KOURYU 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/1044649/track?from=2026-10-11&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/imo/1044649/port-calls?from=2026-10-11"

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.