Tug · Flag JP

TSUNAGU

TSUNAGU is a tug (MMSI 431019661, flag JP). Its last AIS position was reported on 16 Oct 2026 at 20:41 UTC in Port of Chiba Ko, bound for JP CHB XX. AIS Trail recorded 1 port call in the last 60 days, most recently at Chiba Ko.

Last position

Position35.59° N, 140.11° EIn Port of Chiba Ko
Reported20:41 UTC16 Oct 2026
Speed8.6 kn
Course260°

Status: Under way using engine · Destination as broadcast: JP CHB XX

Position of MMSI 431019661, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameTSUNAGU
IMO number–
MMSI431019661
Call signJD5119
TypeTug
FlagJP (from the MMSI country code)
Length × beam35 m × 9 m
Highest reported draught3.8 m (last 30 days)
Estimated deadweight–
Destination as broadcastJP CHB XX
Seen in AIS10 Oct 2026 – 16 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
Chiba Ko JPCHB12 Oct 2026, 20:10 UTC12 Oct 2026, 23:27 UTC3 h 16 min

TSUNAGU in the API

The full track, every port call and the live position of TSUNAGU 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/431019661/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/431019661/port-calls?from=2026-10-10"

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.