NORTHSTAR RESPONDER — Anti-Pollution · IMO 9043861

NORTHSTAR RESPONDER was last reported moored in the North Atlantic Ocean, within the US East Coast shipping lane, on 7 Nov 2026, 09:13 UTC. It was sailing from PHILADELPHIA to PHILADELPHIA with an ETA of 26 Jun 2026, 19:30 UTC. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.

NORTHSTAR RESPONDER broadcasts MMSI 366593000 and is registered as IMO 9043861, with call sign WDN5677. 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.

NORTHSTAR RESPONDER is classified as a anti-pollution vessel registered under the US flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder and full US flag list at /flag/us.

MarineRadar shows the latest AIS broadcast from NORTHSTAR RESPONDER 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.

NORTHSTAR RESPONDER is classed by AMERICAN BUREAU OF SHIPPING, the classification society responsible for inspecting the vessel against safety, structural and operational rules. As a anti-pollution, NORTHSTAR RESPONDER sits in the same design class as the other anti-pollutions listed in the Similar Vessels section of the vessel page. NORTHSTAR RESPONDER has a gross tonnage of 1,335 GT.