STEPHEN L COLBY — Local Vessel · MMSI 367645460

STEPHEN L COLBY was last reported under way in the North Pacific Ocean, within the US East Coast shipping lane, on 7 Nov 2026, 01:07 UTC. It was sailing from STRATTON to CINCINNATI with an ETA of 4 Nov 2026, 16:54 UTC. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.

STEPHEN L COLBY broadcasts MMSI 367645460, with call sign WDH7165. The MMSI is the radio identifier used by AIS; the IMO number stays with the ship for life and does not change with re-flagging or sale.

STEPHEN L COLBY is classified as a local vessel vessel registered under the US flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full local vessel fleet at /vessel-type/cargo and full US flag list at /flag/us.

MarineRadar shows the latest AIS broadcast from STEPHEN L COLBY above, with current position, course, speed, and navigation status. Tap "View on map" to centre the live tracker on the vessel and watch its movement update in real time. The same data is available offline-friendly in the iOS and Android apps.

AIS transponders broadcast position every 2 seconds when underway at high speed and up to every 3 minutes at anchor. The position you see refreshes whenever the ship is in range of a coastal AIS receiver or a satellite pass — typically seconds in coastal waters and minutes offshore.

As a local vessel, STEPHEN L COLBY sits in the same design class as the other local vessels listed in the Similar Vessels section of the vessel page, or in the full local vessel directory at /vessel-type/cargo.