HAI YANG SHI YOU 691

Offshore Tug/Supply Ship · IMO 9561851 · MMSI 413479320 · Last UTC 2026-03-04 19:36 UTC

Average Speed (60D)

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Offshore Tug/Supply Ship

Position time: 2026-03-04 19:36 UTC

Flag: chn

Country: China Peopless Republic

IMO: 9561851

MMSI: 413479320

DWT: 3822

GT: 6912

Year: 2015

Call sign: BTPX

Destination is not available in AIS.

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

Track window: last 45 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.

Port call inference is loading.

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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.