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.
Commercial Fishing Vessel
Las Tunas
MMSI 368201680 · Call sign WDM3921
Not yet on Master's MateType
Commercial Fishing Vessel
Flag
USALength
13 m
Beam
4.5 m
Draft
2.1 m
Call sign
WDM3921
Official No.
588977
AIS reports
1
On the American registry, Las Tunas is a 13-metre fishing vessel. She's built with a 4.5 m beam and a 2.1 m draft. On the registers she's MMSI 368201680, call sign WDM3921. The Master's Mate Safety Initiative Network welcomes Las Tunas — free to join, cruiser-run, and always on watch.
Free forever · No credit card · for working captains
Know where the fleet is. Get Las Tunas home safe.
Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.
Keep the fleet in sight — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Las Tunas 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 working captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Las Tunas 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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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.
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 Las Tunas and switch it all on
Free to join · nothing to install to start · cancel anytime
About Las Tunas
What kind of vessel is Las Tunas?
Las Tunas is a Commercial Fishing Vessel flagged to United States of America.
What is Las Tunas's MMSI?
Las Tunas's MMSI is 368201680. Call sign WDM3921.
How big is Las Tunas?
Las Tunas is about 13 m long, 4.5 m on the beam, drawing 2.1 m.
Is Las Tunas on the Master's Mate Safety Initiative Network?
Not yet. If Las Tunas is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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