Cargo ship · Flag JP

SIREIMARU

SIREIMARU is a cargo ship (IMO 9790517, MMSI 431005884, flag JP). Its last AIS position was reported on 14 Oct 2026 at 22:56 UTC in Port of Yokosuka Ko, bound for >JP KIS. AIS Trail recorded 2 port calls in the last 60 days, most recently at Kisarazu Ko.

Last position

Position35.33° N, 139.71° EIn Port of Yokosuka Ko
Reported22:56 UTC14 Oct 2026
Speed11.7 kn
Course147°

Status: Under way using engine · Destination as broadcast: >JP KIS · ETA as broadcast: 16 Oct 2026, 13:30 UTC

Position of MMSI 431005884, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameSIREIMARU
IMO number9790517
MMSI431005884
Call signJD3764
TypeCargo ship
FlagJP (from the MMSI country code)
Length × beam75 m × 12 m
Highest reported draught4.6 m (last 30 days)
Estimated deadweight≈ 2,430 t — estimated from AIS dimensions
Destination as broadcast>JP KIS
Seen in AIS12 Oct 2026 – 14 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
Kisarazu Ko JPKZU14 Oct 2026, 03:15 UTC14 Oct 2026, 21:43 UTC18 h 28 min
Funabashi JPFNB13 Oct 2026, 07:31 UTC14 Oct 2026, 01:13 UTC17 h 42 min

SIREIMARU in the API

The full track, every port call and the live position of SIREIMARU 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/9790517/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/imo/9790517/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.