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
Shannan C
MMSI 366932780 · Call sign WDB6914
Not yet on Master's MateType
Towing Vessel
Flag
USALength
18.9 m
Beam
7.7 m
Draft
2.6 m
Call sign
WDB6914
IMO
8991724
Official No.
631579
AIS reports
1
Shannan C is an American 18.9-metre work boat. She has 7.7 metres in the beam and a draft measuring 2.6 metres. Find her under MMSI 366932780, call sign WDB6914, IMO 8991724. Shannan C is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for working boats
Built for boats that work — like Shannan 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
Wherever Shannan C 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 Shannan 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 Shannan C and switch it all on
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About Shannan C
What kind of vessel is Shannan C?
Shannan C is a Towing Vessel flagged to United States of America.
What is Shannan C's MMSI?
Shannan C's MMSI is 366932780. Call sign WDB6914. IMO 8991724.
How big is Shannan C?
Shannan C is about 18.9 m long, 7.7 m on the beam, drawing 2.6 m.
Is Shannan C on the Master's Mate Safety Initiative Network?
Not yet. If Shannan C is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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