SIENNA

Crude Oil Tanker · IMO 9336971 · MMSI 636021927 · Last UTC 2026-03-05 18:16 UTC

Average Speed (60D)

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SIENNA

Crude Oil Tanker

Position time: 2026-03-05 18:16 UTC

Flag: lbr

Country: Liberia

IMO: 9336971

MMSI: 636021927

DWT: 149847

GT: 79235

Length: 48 m

Width: 274 m

Year: 2007

Call sign: 5LGJ3

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.