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
SAMMY J
MMSI 367776410 · Call sign WDJ4308
Not yet on Master's MateType
Passenger
Flag
USALength
16 m
Beam
6 m
Draft
0.7 m
Call sign
WDJ4308
Official No.
1272936
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
74
SAMMY J is an American ferry vessel, 16 metres LOA. Below, she has a beam of 6 m and a draft of 0.7 m. On the registers she's MMSI 367776410, call sign WDJ4308. SAMMY J is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard SAMMY J 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 17:32 UTC
Position
37.7995° N, 122.3855° W
Status
Under way (engine)
Speed
9.2 kn
Course
232°
Sailing San Francisco Bay? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put SAMMY J 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 SAMMY J and switch it all on
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About SAMMY J
What kind of vessel is SAMMY J?
SAMMY J is a Passenger flagged to United States of America.
Where was SAMMY J last seen?
SAMMY J was last reported in San Francisco Bay in Jun 2026 on public AIS.
What is SAMMY J's MMSI?
SAMMY J's MMSI is 367776410. Call sign WDJ4308.
How big is SAMMY J?
SAMMY J is about 16 m long, 6 m on the beam, drawing 0.7 m.
Is SAMMY J on the Master's Mate Safety Initiative Network?
Not yet. If SAMMY J is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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