Master's MateSafety Initiative Network
The Master's Mate Safety Initiative Network (MMSIn) — like AAA for the ocean, but free & community-driven. Cruisers keeping each other safe: anchor-drag & distress alerts, a verified captains directory, and a watch network that has your back.
Passenger (Inspected)
CALIFORNIAN
MMSI 338711000 · Call sign WST6145
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
26.3 m
Beam
7.4 m
Draft
2.6 m
Call sign
WST6145
Official No.
672102
AIS reports
1
On the American registry, CALIFORNIAN is a 26.3-metre ferry vessel. She has 7.4 metres in the beam and a draft of 2.6 m. Her registration reads MMSI 338711000, call sign WST6145. CALIFORNIAN can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard CALIFORNIAN safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever CALIFORNIAN roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
Free with your claim · for passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put CALIFORNIAN on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim CALIFORNIAN and switch it all on
Free to join · nothing to install to start · cancel anytime
About CALIFORNIAN
What kind of vessel is CALIFORNIAN?
CALIFORNIAN is a Passenger (Inspected) flagged to United States of America.
What is CALIFORNIAN's MMSI?
CALIFORNIAN's MMSI is 338711000. Call sign WST6145.
How big is CALIFORNIAN?
CALIFORNIAN is about 26.3 m long, 7.4 m on the beam, drawing 2.6 m.
Is CALIFORNIAN on the Master's Mate Safety Initiative Network?
Not yet. If CALIFORNIAN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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