Tanker · Flag JP

KOYO MARU NO.8

KOYO MARU NO.8 is a tanker (IMO 9066461, MMSI 431500123, flag JP). Its last AIS position was reported on 16 Oct 2026 at 06:05 UTC near Port of Yoshiumi, bound for >JP MIZ TS OFF/E.

Last position

Position34.15° N, 133.16° ENear Port of Yoshiumi
Reported06:05 UTC16 Oct 2026
Speed11.2 kn
Course57°

Status: Under way using engine · Destination as broadcast: >JP MIZ TS OFF/E · ETA as broadcast: 15 Oct 2026, 19:00 UTC

Position of MMSI 431500123, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameKOYO MARU NO.8
IMO number9066461
MMSI431500123
Call signJL6213
TypeTanker
FlagJP (from the MMSI country code)
Length × beam70 m × 11 m
Highest reported draught3.6 m (last 30 days)
Estimated deadweight≈ 1,640 t — estimated from AIS dimensions
Destination as broadcast>JP MIZ TS OFF/E
Seen in AIS16 Oct 2026 – 16 Oct 2026 (last 30 days)

Port calls

No port calls detected in the last 60 days.

KOYO MARU NO.8 in the API

The full track, every port call and the live position of KOYO MARU NO.8 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/9066461/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/imo/9066461/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.