Tanker · Flag JP

KYOWA MARU NO.1

KYOWA MARU NO.1 is a tanker (MMSI 431009445, flag JP). Its last AIS position was reported on 15 Oct 2026 at 14:08 UTC near Port of Shingu, bound for JP MIZ OFF.

Last position

Position33.55° N, 136.00° ENear Port of Shingu
Reported14:08 UTC15 Oct 2026
Speed10.7 kn
Course230°

Status: Under way using engine · Destination as broadcast: JP MIZ OFF · ETA as broadcast: 16 Oct 2026, 13:00 UTC

Position of MMSI 431009445, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameKYOWA MARU NO.1
IMO number–
MMSI431009445
Call signJD4185
TypeTanker
FlagJP (from the MMSI country code)
Length × beam59 m × 10 m
Highest reported draught3.5 m (last 30 days)
Estimated deadweight≈ 1,210 t — estimated from AIS dimensions
Destination as broadcastJP MIZ OFF
Seen in AIS13 Oct 2026 – 15 Oct 2026 (last 30 days)

Port calls

No port calls detected in the last 60 days.

KYOWA MARU NO.1 in the API

The full track, every port call and the live position of KYOWA MARU NO.1 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/431009445/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/431009445/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.