ROBERT GOLDMAN

Patrol Vessel · IMO 4759336 · MMSI 338926442 · Last UTC 2025-05-30 07:23 UTC

Average Speed (60D)

The interactive map requires JavaScript. A static preview is shown below.

Static vessel map preview

ROBERT GOLDMAN

Patrol Vessel

Position time: 2025-05-30 07:23 UTC

Flag: usa

Country: United States of America

IMO: 4759336

MMSI: 338926442

DWT: 67

GT: 358

Year: 2020

Call sign: NRTG

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

Loading speed chart...

Company links are loading.

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.

News links are loading.

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.