Tanker · Flag JP

RYOSUI

RYOSUI is a tanker (IMO 9810159, MMSI 431009833, flag JP). Its last AIS position was reported on 14 Oct 2026 at 16:11 UTC, bound for >JP KSM SE MCC B-1.

Last position

Position35.04° N, 140.28° E
Reported16:11 UTC14 Oct 2026
Speed12.2 kn
Course60°

Status: Under way using engine · Destination as broadcast: >JP KSM SE MCC B-1 · ETA as broadcast: 15 Oct 2026, 08:20 UTC

Position of MMSI 431009833, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameRYOSUI
IMO number9810159
MMSI431009833
Call signJD4228
TypeTanker
FlagJP (from the MMSI country code)
Length × beam67 m × 12 m
Highest reported draught4.5 m (last 30 days)
Estimated deadweight≈ 2,140 t — estimated from AIS dimensions
Destination as broadcast>JP KSM SE MCC B-1
Seen in AIS13 Oct 2026 – 14 Oct 2026 (last 30 days)

Port calls

No port calls detected in the last 60 days.

RYOSUI in the API

The full track, every port call and the live position of RYOSUI 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/9810159/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/imo/9810159/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.