Tanker · Flag JP

RIEI MARU

RIEI MARU is a tanker (IMO 9658537, MMSI 431003489, flag JP). Its last AIS position was reported on 15 Oct 2026 at 19:27 UTC, bound for >JP NGO SEC6.

Last position

Position33.97° N, 136.59° E
Reported19:27 UTC15 Oct 2026
Speed12.0 kn
Course56°

Status: Under way using engine · Destination as broadcast: >JP NGO SEC6 · ETA as broadcast: 16 Oct 2026, 03:00 UTC

Position of MMSI 431003489, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameRIEI MARU
IMO number9658537
MMSI431003489
Call signJD3348
TypeTanker
FlagJP (from the MMSI country code)
Length × beam76 m × 13 m
Highest reported draught4.0 m (last 30 days)
Estimated deadweight≈ 2,350 t — estimated from AIS dimensions
Destination as broadcast>JP NGO SEC6
Seen in AIS13 Oct 2026 – 15 Oct 2026 (last 30 days)

Port calls

No port calls detected in the last 60 days.

RIEI MARU in the API

The full track, every port call and the live position of RIEI 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/imo/9658537/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/imo/9658537/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.