Cargo ship · Flag JP

SEIRYU MARU

SEIRYU MARU is a cargo ship (IMO 9667667, MMSI 431004176, flag JP). Its last AIS position was reported on 16 Oct 2026 at 06:32 UTC, bound for JP NGO SECTION 6 OFF.

Last position

Position34.01° N, 136.63° E
Reported06:32 UTC16 Oct 2026
Speed12.4 kn
Course48°

Status: Under way using engine · Destination as broadcast: JP NGO SECTION 6 OFF · ETA as broadcast: 16 Oct 2026, 13:00 UTC

Position of MMSI 431004176, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameSEIRYU MARU
IMO number9667667
MMSI431004176
Call signJD3476
TypeCargo ship
FlagJP (from the MMSI country code)
Length × beam61 m × 10 m
Highest reported draught3.9 m (last 30 days)
Estimated deadweight≈ 1,360 t — estimated from AIS dimensions
Destination as broadcastJP NGO SECTION 6 OFF
Seen in AIS16 Oct 2026 – 16 Oct 2026 (last 30 days)

Port calls

No port calls detected in the last 60 days.

SEIRYU MARU in the API

The full track, every port call and the live position of SEIRYU 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/9667667/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/imo/9667667/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.