Vessel · Live AIS
31S
MMSI 338566304 · Call sign M1
Latest AIS data
Last seen Fri, 18 Sep 2026 01:34:08 GMTFull vessel report — $5
Everything on file for 31S: ownership & management, builder & year, tonnages, engine details, dimensions, port-call history and current voyage — compiled from premium maritime databases. Saved to your free Shyppy account and emailed to you.
Want continuous tracking with alerts instead? Track this vessel free with a Shyppy account · Search another vessel · Lost a purchased report?
About 31S
Where is 31S right now?
As of its last AIS broadcast on 18 September 2026, 31S was at 32.694°, -117.304° — Off San Diego, United States · 14 km. Positions update continuously as new AIS messages arrive.
What type of ship is 31S?
31S is a vessel.
What is 31S's MMSI number?
31S's MMSI is 338566304, call sign M1. You can search any vessel by these identifiers in the Shyppy vessel database.
How can I get full details for 31S?
A complete report — ownership and management, builder and year, tonnages, engine details and voyage history — is available on this page for $5, delivered instantly to your email. Continuous live tracking with alerts is free with a Shyppy account.