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
James William
MMSI 367100050 · Call sign WDC9280
Not yet on Master's MateType
Towing Vessel
Flag
USALength
21.9 m
Beam
7.9 m
Draft
2.3 m
Call sign
WDC9280
Official No.
598841
AIS reports
1
James William, an American workboat, measures 21.9 metres on deck. She's built with 7.9 metres in the beam and a 2.3 m draft. On AIS she appears as MMSI 367100050, call sign WDC9280. There's a place for James William on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card · for working boats
Built for boats that work — like James William.
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 James William 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 James William 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 James William and switch it all on
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About James William
What kind of vessel is James William?
James William is a Towing Vessel flagged to United States of America.
What is James William's MMSI?
James William's MMSI is 367100050. Call sign WDC9280.
How big is James William?
James William is about 21.9 m long, 7.9 m on the beam, drawing 2.3 m.
Is James William on the Master's Mate Safety Initiative Network?
Not yet. If James William is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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