MBS 31

Tug · IMO 9021980 · MMSI 0

Average Speed (60D)

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MBS 31

Tug

Position time: Not available in AIS yet

Flag: idn

Country: Indonesia

IMO: 9021980

MMSI: 0

GT: 157

Year: 2005

Call sign: YD6651

Destination is not available in AIS.

Latest position is not available yet.

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.

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.