Tug · Flag JP

FUJI MARU

FUJI MARU is a tug (MMSI 431021739, flag JP). Its last AIS position was reported on 16 Oct 2026 at 22:28 UTC near Port of Shinagawa, Tokyo, bound for >JP TYO. AIS Trail recorded 10+ port calls in the last 60 days, most recently at Tokyo Ko.

Last position

Position35.61° N, 139.76° ENear Port of Shinagawa, Tokyo
Reported22:28 UTC16 Oct 2026
Speed0.5 kn
Course276°

Status: Under way using engine · Destination as broadcast: >JP TYO · ETA as broadcast: 28 Jun 2026, 08:00 UTC

Position of MMSI 431021739, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameFUJI MARU
IMO number–
MMSI431021739
Call signJD5244
TypeTug
FlagJP (from the MMSI country code)
Length × beam34 m × 10 m
Highest reported draught3.3 m (last 30 days)
Estimated deadweight–
Destination as broadcast>JP TYO
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
Tokyo Ko JPTYO15 Oct 2026, 16:46 UTCNo departure yet–
Tokyo Ko JPTYO14 Oct 2026, 23:17 UTC15 Oct 2026, 12:31 UTC13 h 13 min
Tokyo Ko JPTYO14 Oct 2026, 04:38 UTC14 Oct 2026, 19:28 UTC14 h 50 min
Tokyo Ko JPTYO13 Oct 2026, 09:40 UTC14 Oct 2026, 02:37 UTC16 h 57 min
Tokyo Ko JPTYO12 Oct 2026, 23:30 UTC13 Oct 2026, 07:25 UTC7 h 54 min
Tokyo Ko JPTYO12 Oct 2026, 09:11 UTC12 Oct 2026, 21:23 UTC12 h 11 min
Tokyo Ko JPTYO12 Oct 2026, 06:47 UTC12 Oct 2026, 07:04 UTC17 min
Tokyo Ko JPTYO11 Oct 2026, 12:23 UTC12 Oct 2026, 05:23 UTC17 h
Tokyo Ko JPTYO11 Oct 2026, 10:02 UTC11 Oct 2026, 11:23 UTC1 h 20 min
Tokyo Ko JPTYO11 Oct 2026, 06:03 UTC11 Oct 2026, 07:55 UTC1 h 52 min

FUJI MARU in the API

The full track, every port call and the live position of FUJI MARU 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/431021739/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/431021739/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.