WRANGELL

Patrol Vessel · IMO 4685200 · MMSI 0

Average Speed (60D)

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WRANGELL

Patrol Vessel

Position time: Not available in AIS yet

Flag: usa

Country: United States of America

IMO: 4685200

MMSI: 0

GT: 170

Year: 1989

Call sign: NFWC

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.

Destination candidates are loading.

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.