ZHONG RAN 31

Bunkering Tanker · IMO 8538780 · MMSI 413326590 · Last UTC 2026-03-05 13:45 UTC

Average Speed (60D)

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ZHONG RAN 31

Bunkering Tanker

Position time: 2026-03-05 13:45 UTC

Flag: chn

Country: China Peopless Republic

IMO: 8538780

MMSI: 413326590

DWT: 3700

GT: 2537

Year: 2012

Call sign: BSFA

Destination is not available in AIS.

AIS refresh is typically every 4–6 hours, sometimes up to 1–2 days.

Track window: last 60 days

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Nearest known locations from geocache labels around the vessel.

Nearby locations are being calculated.

Modeled destinations using route history and peer traffic context.

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Inferred port calls from sparse AIS snapshots.

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How often is this page updated?

AIS updates are usually every 4–6 hours. In low-coverage areas delays up to 1–2 days are possible.

Why are some vessel fields missing?

Some AIS transponders do not transmit complete static metadata.

How accurate are destinations and port calls?

These are probabilistic model outputs and should be treated as signals, not confirmations.