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
SAN FRANCISCO
MMSI 366963980 · Call sign WZC3886
Not yet on Master's MateType
Passenger
Flag
USALength
58 m
Beam
15 m
Draft
5.8 m
Call sign
WZC3886
Official No.
586350
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
77
SAN FRANCISCO is an American passenger craft, spanning 58 metres. Below, she has 15 metres in the beam and a draft measuring 5.8 metres. On AIS she shows as MMSI 366963980, call sign WZC3886. It's free to add SAN FRANCISCO to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard SAN FRANCISCO 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
Live AIS position · Jun 9, 2026 23:35 UTC
Position
37.8410° N, 122.4288° W
Status
Under way (engine)
Speed
19.6 kn
Course
295°
Sailing San Francisco Bay? 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 SAN FRANCISCO 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 SAN FRANCISCO and switch it all on
Free to join · nothing to install to start · cancel anytime
About SAN FRANCISCO
What kind of vessel is SAN FRANCISCO?
SAN FRANCISCO is a Passenger flagged to United States of America.
Where was SAN FRANCISCO last seen?
SAN FRANCISCO was last reported in San Francisco Bay in Jun 2026 on public AIS.
What is SAN FRANCISCO's MMSI?
SAN FRANCISCO's MMSI is 366963980. Call sign WZC3886.
How big is SAN FRANCISCO?
SAN FRANCISCO is about 58 m long, 15 m on the beam, drawing 5.8 m.
Is SAN FRANCISCO on the Master's Mate Safety Initiative Network?
Not yet. If SAN FRANCISCO is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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