OYAMA MARU

Tug · IMO 9831359 · MMSI 431010701 · Last UTC 2026-03-10 15:51 UTC

Average Speed (60D)

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OYAMA MARU

Tug

Position time: 2026-03-10 15:51 UTC

Flag: jpn

Country: Japan

IMO: 9831359

MMSI: 431010701

DWT: 103

GT: 261

Length: 40 m

Width: 12 m

Year: 2017

Call sign: JD4284

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.