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
CROWN JEWEL
MMSI 367308010 · Call sign WDK7484
Not yet on Master's MateType
Towing
Flag
USALength
28 m
Beam
10 m
Draft
2.5 m
Call sign
WDK7484
Official No.
542067
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
32
CROWN JEWEL is an American 28-metre working vessel. Below, she has a beam of 10 m and a draft measuring 2.5 metres. Her papers read MMSI 367308010, call sign WDK7484. Give CROWN JEWEL the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for working boats
Built for boats that work — like CROWN JEWEL.
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
Last known position · Jun 3, 2026
Position
34.8424° N, 87.9354° W
Wherever CROWN JEWEL 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 boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put CROWN JEWEL 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 CROWN JEWEL and switch it all on
Free to join · nothing to install to start · cancel anytime
About CROWN JEWEL
What kind of vessel is CROWN JEWEL?
CROWN JEWEL is a Towing flagged to United States of America.
Where was CROWN JEWEL last seen?
CROWN JEWEL was last reported in around 35°N 88°W in Jun 2026 on public AIS.
What is CROWN JEWEL's MMSI?
CROWN JEWEL's MMSI is 367308010. Call sign WDK7484.
How big is CROWN JEWEL?
CROWN JEWEL is about 28 m long, 10 m on the beam, drawing 2.5 m.
Is CROWN JEWEL on the Master's Mate Safety Initiative Network?
Not yet. If CROWN JEWEL is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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