Tug · Flag JP

KAISHOMARU

KAISHOMARU is a tug (MMSI 431000225, flag JP). Its last AIS position was reported on 16 Oct 2026 at 23:00 UTC near Port of Akita-Funakawa Ko, bound for JP AFG.

Last position

Position39.76° N, 140.04° ENear Port of Akita-Funakawa Ko
Reported23:00 UTC16 Oct 2026
Speed1.9 kn
Course110°

Status: Under way using engine · Destination as broadcast: JP AFG · ETA as broadcast: 22 Oct 2026, 14:00 UTC

Position of MMSI 431000225, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameKAISHOMARU
IMO number–
MMSI431000225
Call signJD2437
TypeTug
FlagJP (from the MMSI country code)
Length × beam36 m × 9 m
Highest reported draught3.8 m (last 30 days)
Estimated deadweight–
Destination as broadcastJP AFG
Seen in AIS12 Oct 2026 – 16 Oct 2026 (last 30 days)

Port calls

No port calls detected in the last 60 days.

KAISHOMARU in the API

The full track, every port call and the live position of KAISHOMARU 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/431000225/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/431000225/port-calls?from=2026-10-10"

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.