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.
Towing Vessel
Island Explorer
MMSI 367660050 · Call sign WDN4423
Not yet on Master's MateType
Towing Vessel
Flag
USALength
17.2 m
Beam
7.3 m
Draft
2.5 m
Call sign
WDN4423
IMO
8971580
Official No.
619367
AIS reports
3
Registered in the United States, Island Explorer is a 17.2-metre utility boat. She carries a 7.3 m beam and a 2.5-metre draft. Officially she's MMSI 367660050, call sign WDN4423, IMO 8971580. Put Island Explorer on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card · for working boats
Built for boats that work — like Island Explorer.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 08:15 UTC
Position
35.9843° N, 76.5230° W
Status
Under way (engine)
Speed
6.6 kn
Course
89°
Working off the U.S. East Coast? 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 boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Island Explorer on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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.
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 Island Explorer and switch it all on
Free to join · nothing to install to start · cancel anytime
About Island Explorer
What kind of vessel is Island Explorer?
Island Explorer is a Towing Vessel flagged to United States of America.
Where was Island Explorer last seen?
Island Explorer was last reported in off the U.S. East Coast on public AIS.
What is Island Explorer's MMSI?
Island Explorer's MMSI is 367660050. Call sign WDN4423. IMO 8971580.
How big is Island Explorer?
Island Explorer is about 17.2 m long, 7.3 m on the beam, drawing 2.5 m.
Is Island Explorer on the Master's Mate Safety Initiative Network?
Not yet. If Island Explorer is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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