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.
Fishing Tender
Sea Ern
MMSI 367176240 · Call sign WDJ3629
Not yet on Master's MateType
Fishing Tender
Flag
USALength
32.5 m
Beam
8 m
Draft
2.8 m
Call sign
WDJ3629
IMO
7308542
Official No.
504144
AIS reports
2
Out of the United States, Sea Ern is a 32.5-metre offshore fishing boat. She carries a 8 m beam and a 2.8 m draft. Her papers read MMSI 367176240, call sign WDJ3629, IMO 7308542. It's free to add Sea Ern 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 working captains
Know where the fleet is. Get Sea Ern 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 Sea Ern 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 Sea Ern 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 Sea Ern and switch it all on
Free to join · nothing to install to start · cancel anytime
About Sea Ern
What kind of vessel is Sea Ern?
Sea Ern is a Fishing Tender flagged to United States of America.
What is Sea Ern's MMSI?
Sea Ern's MMSI is 367176240. Call sign WDJ3629. IMO 7308542.
How big is Sea Ern?
Sea Ern is about 32.5 m long, 8 m on the beam, drawing 2.8 m.
Is Sea Ern on the Master's Mate Safety Initiative Network?
Not yet. If Sea Ern is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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