PORTAS DO MAR — Pilot Vessel · MMSI 204670570

PORTAS DO MAR was last reported in the North Atlantic Ocean, on 7 Nov 2026, 16:37 UTC. It was sailing from PONTA DELGADA to PONTA DELGADA with an ETA of 7 Nov 2026, 15:01 UTC. Its exact coordinates, speed and ETA are shown at the top of this page and refresh from the latest AIS broadcast.

PORTAS DO MAR broadcasts MMSI 204670570, with call sign CSNR5. 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.

PORTAS DO MAR is classified as a pilot vessel vessel registered under the PT flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full pilot vessel fleet at /vessel-type/tug-pilot-vessel and full PT flag list at /flag/pt.

MarineRadar shows the latest AIS broadcast from PORTAS DO MAR 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 pilot vessel, PORTAS DO MAR sits in the same design class as the other pilot vessels listed in the Similar Vessels section of the vessel page, or in the full pilot vessel directory at /vessel-type/tug-pilot-vessel.