Tug · Flag JP

TAISEI

TAISEI is a tug (MMSI 431009691, flag JP). Its last AIS position was reported on 16 Oct 2026 at 18:43 UTC near Port of Chiba Ko, bound for JP CHB XX. AIS Trail recorded 4 port calls in the last 60 days, most recently at Chiba Ko.

Last position

Position35.60° N, 140.11° ENear Port of Chiba Ko
Reported18:43 UTC16 Oct 2026
Speed0.0 kn
Course46°

Status: Under way using engine · Destination as broadcast: JP CHB XX · ETA as broadcast: 28 Feb 2027, 12:00 UTC

Position of MMSI 431009691, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameTAISEI
IMO number–
MMSI431009691
Call signJD4195
TypeTug
FlagJP (from the MMSI country code)
Length × beam41 m × 12 m
Highest reported draught3.6 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 JPCHB15 Oct 2026, 20:12 UTC15 Oct 2026, 23:25 UTC3 h 12 min
Chiba Ko JPCHB14 Oct 2026, 04:14 UTC14 Oct 2026, 06:38 UTC2 h 24 min
Chiba Ko JPCHB14 Oct 2026, 03:06 UTC14 Oct 2026, 03:34 UTC28 min
Chiba Ko JPCHB10 Oct 2026, 22:51 UTC11 Oct 2026, 01:45 UTC2 h 54 min

TAISEI in the API

The full track, every port call and the live position of TAISEI 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/431009691/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/431009691/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.