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)

California Spirit

MMSI 367018220 · Call sign WDC4041

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

48 m

Beam

11.3 m

Draft

4.1 m

Call sign

WDC4041

IMO

8990500

Official No.

1165270

AIS reports

California Spirit is a passenger ship listed on the the United States registry, 48 metres on deck. Her hull carries a 11.3 m beam and a draft measuring 4.1 metres. On AIS she shows as MMSI 367018220, call sign WDC4041, IMO 8990500. Put California Spirit on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.

Free forever · No credit card · for passenger & charter operators

Keep every soul aboard California Spirit 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 California Spirit 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 California Spirit 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 California Spirit and switch it all on

Free to join · nothing to install to start · cancel anytime

Claim free → unlock everything

About California Spirit

What kind of vessel is California Spirit?

California Spirit is a Passenger (Inspected) flagged to United States of America.

What is California Spirit's MMSI?

California Spirit's MMSI is 367018220. Call sign WDC4041. IMO 8990500.

How big is California Spirit?

California Spirit is about 48 m long, 11.3 m on the beam, drawing 4.1 m.

Is California Spirit on the Master's Mate Safety Initiative Network?

Not yet. If California Spirit is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).