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.
Towing
SEANA C
MMSI 367766860 · Call sign WDJ3319
Not yet on Master's MateType
Towing
Flag
USALength
21 m
Beam
7 m
Draft
2.9 m
Call sign
WDJ3319
Official No.
563748
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
Registered in the United States, SEANA C is a 21-metre utility vessel. She carries 7 metres in the beam and a 2.9-metre draft. Her registration reads MMSI 367766860, call sign WDJ3319. Put SEANA C 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 working boats
Built for boats that work — like SEANA C.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 18:17 UTC
Position
37.7807° N, 122.2517° W
Status
Pushing ahead
Speed
0.0 kn
Course
53°
Destination
USOAK
ETA
05-05 07:00 UTC
Working 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.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SEANA C on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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 SEANA C and switch it all on
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About SEANA C
What kind of vessel is SEANA C?
SEANA C is a Towing flagged to United States of America.
Where was SEANA C last seen?
SEANA C was last reported in San Francisco Bay in Jun 2026 on public AIS.
What is SEANA C's MMSI?
SEANA C's MMSI is 367766860. Call sign WDJ3319.
How big is SEANA C?
SEANA C is about 21 m long, 7 m on the beam, drawing 2.9 m.
Is SEANA C on the Master's Mate Safety Initiative Network?
Not yet. If SEANA C is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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