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
MARY C
MMSI 367476950 · Call sign WDF6698
Not yet on Master's MateType
Towing
Flag
USALength
17 m
Beam
7 m
Draft
2.4 m
Call sign
WDF6698
Official No.
1166136
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
56
MARY C is a service vessel flying the flag of the United States, measuring 17 metres. She carries a 7 m beam and a 2.4 m draft. Find her under MMSI 367476950, call sign WDF6698. Put MARY C 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 MARY C.
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 4, 2026
Position
41.7654° N, 87.8424° W
Working Lake Michigan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put MARY C 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 MARY C and switch it all on
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About MARY C
What kind of vessel is MARY C?
MARY C is a Towing flagged to United States of America.
Where was MARY C last seen?
MARY C was last reported in Lake Michigan in Jun 2026 on public AIS.
What is MARY C's MMSI?
MARY C's MMSI is 367476950. Call sign WDF6698.
How big is MARY C?
MARY C is about 17 m long, 7 m on the beam, drawing 2.4 m.
Is MARY C on the Master's Mate Safety Initiative Network?
Not yet. If MARY C is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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