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.
Unclassified
sea explorer
MMSI 367565000 · Call sign WDD5220
Not yet on Master's MateType
Unclassified
Flag
USALength
44.1 m
Beam
8.9 m
Draft
4.3 m
Call sign
WDD5220
IMO
7202695
Official No.
507891
AIS reports
2
On the American registry, sea explorer is a 44.1-metre craft. She carries 8.9 metres in the beam and a 4.3 m draft. Her papers read MMSI 367565000, call sign WDD5220, IMO 7202695. Give sea explorer the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card
Is sea explorer your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever sea explorer 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put sea explorer on the map. It hands you the full bridge:
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.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim sea explorer and switch it all on
Free to join · nothing to install to start · cancel anytime
About sea explorer
What kind of vessel is sea explorer?
sea explorer is a Unclassified flagged to United States of America.
What is sea explorer's MMSI?
sea explorer's MMSI is 367565000. Call sign WDD5220. IMO 7202695.
How big is sea explorer?
sea explorer is about 44.1 m long, 8.9 m on the beam, drawing 4.3 m.
Is sea explorer on the Master's Mate Safety Initiative Network?
Not yet. If sea explorer is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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