Maersk-Boulder

Offshore Tug Supply Ship · IMO 9151577 · MMSI 219296000 · Last UTC 2026-03-17 07:30 UTC

Average Speed (60D)

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Maersk-Boulder

Offshore Tug Supply Ship

Position time: 2026-03-17 07:30 UTC

Flag: DK

Country: Denmark

IMO: 9151577

MMSI: 219296000

DWT: 4201

Length: 85 m

Width: 19 m

Year: 1998

Call sign: OZNB2

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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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.