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.
Passenger (Inspected)
JOLIET
MMSI 367334270 · Call sign WBR4894
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
19.8 m
Beam
2.7 m
Draft
6.6 m
Call sign
WBR4894
Official No.
990516
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
75
Out of the United States, JOLIET is a 19.8-metre passenger craft. She has a 2.7 m beam and a draft measuring 6.6 metres. On the registers she's MMSI 367334270, call sign WBR4894. There's a place for JOLIET on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard JOLIET safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
45.8731° N, 84.7297° W
Sailing Lake Huron? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put JOLIET on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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 JOLIET and switch it all on
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About JOLIET
What kind of vessel is JOLIET?
JOLIET is a Passenger (Inspected) flagged to United States of America.
Where was JOLIET last seen?
JOLIET was last reported in Lake Huron in Jun 2026 on public AIS.
What is JOLIET's MMSI?
JOLIET's MMSI is 367334270. Call sign WBR4894.
How big is JOLIET?
JOLIET is about 19.8 m long, 2.7 m on the beam, drawing 6.6 m.
Is JOLIET on the Master's Mate Safety Initiative Network?
Not yet. If JOLIET is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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