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.
Tanker
SILVER GWEN
MMSI 356307000 · Call sign 3FJJ4
Not yet on Master's MateType
Tanker
Flag
PANLength
183 m
Beam
32 m
Draft
8.6 m
Call sign
3FJJ4
IMO
9683362
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
19
On the Panamanian registry, SILVER GWEN is an 183-metre tanker. Her hull carries a 32-metre beam and a draft of 8.6 m. Look for MMSI 356307000, call sign 3FJJ4, IMO 9683362. SILVER GWEN 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 commercial operators
Eyes on SILVER GWEN, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
27.8228° N, 97.4387° W
Transiting the Gulf of Mexico? 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SILVER GWEN on the map. It hands you the full bridge:
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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 SILVER GWEN and switch it all on
Free to join · nothing to install to start · cancel anytime
About SILVER GWEN
What kind of vessel is SILVER GWEN?
SILVER GWEN is a Tanker flagged to Panama.
Where was SILVER GWEN last seen?
SILVER GWEN was last reported in the Gulf of Mexico in Jun 2026 on public AIS.
What is SILVER GWEN's MMSI?
SILVER GWEN's MMSI is 356307000. Call sign 3FJJ4. IMO 9683362.
How big is SILVER GWEN?
SILVER GWEN is about 183 m long, 32 m on the beam, drawing 8.6 m.
Is SILVER GWEN on the Master's Mate Safety Initiative Network?
Not yet. If SILVER GWEN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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