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
SOLITARY
MMSI 367152240 · Call sign WDJ4135
Not yet on Master's MateType
Unclassified
Flag
USALength
18.7 m
Beam
6.7 m
Draft
1.5 m
Call sign
WDJ4135
Official No.
1191433
AIS reports
2
SOLITARY flies the American flag — an 18.7-metre vessel. SOLITARY has a beam measuring 6.7 metres and a 1.5-metre draft. On the registers she's MMSI 367152240, call sign WDJ4135. Give SOLITARY the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card
Is SOLITARY 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 SOLITARY 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 SOLITARY 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 SOLITARY and switch it all on
Free to join · nothing to install to start · cancel anytime
About SOLITARY
What kind of vessel is SOLITARY?
SOLITARY is a Unclassified flagged to United States of America.
What is SOLITARY's MMSI?
SOLITARY's MMSI is 367152240. Call sign WDJ4135.
How big is SOLITARY?
SOLITARY is about 18.7 m long, 6.7 m on the beam, drawing 1.5 m.
Is SOLITARY on the Master's Mate Safety Initiative Network?
Not yet. If SOLITARY is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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