Tanker · Flag JP

ISOPRENE MARU N0.3

ISOPRENE MARU N0.3 is a tanker (IMO 9552654, MMSI 431002607, flag JP). Its last AIS position was reported on 16 Oct 2026 at 20:59 UTC near Port of Chiba Ko, bound for >JP ANE A-3.

Last position

Position35.51° N, 140.01° ENear Port of Chiba Ko
Reported20:59 UTC16 Oct 2026
Speed0.0 kn
Course300°

Status: At anchor · Destination as broadcast: >JP ANE A-3 · ETA as broadcast: 17 Oct 2026, 03:00 UTC

Position of MMSI 431002607, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameISOPRENE MARU N0.3
IMO number9552654
MMSI431002607
Call signJD3217
TypeTanker
FlagJP (from the MMSI country code)
Length × beam73 m × 12 m
Highest reported draught4.5 m (last 30 days)
Estimated deadweight≈ 2,340 t — estimated from AIS dimensions
Destination as broadcast>JP ANE A-3
Seen in AIS10 Oct 2026 – 16 Oct 2026 (last 30 days)

Port calls

No port calls detected in the last 60 days.

ISOPRENE MARU N0.3 in the API

The full track, every port call and the live position of ISOPRENE MARU N0.3 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/9552654/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/imo/9552654/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.