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
SHAWN WILLIAMS
MMSI 367766740 · Call sign WDJ3307
Not yet on Master's MateType
Towing Vessel
Flag
USALength
19.7 m
Beam
8.5 m
Draft
2.9 m
Call sign
WDJ3307
Official No.
1268557
AIS reports
1
SHAWN WILLIAMS is a working craft under the American flag, 19.7 metres LOA. Below, she has a beam measuring 8.5 metres and a draft of 2.9 m. She broadcasts as MMSI 367766740, call sign WDJ3307. SHAWN WILLIAMS can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for working boats
Built for boats that work — like SHAWN WILLIAMS.
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 SHAWN WILLIAMS 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 SHAWN WILLIAMS 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 SHAWN WILLIAMS and switch it all on
Free to join · nothing to install to start · cancel anytime
About SHAWN WILLIAMS
What kind of vessel is SHAWN WILLIAMS?
SHAWN WILLIAMS is a Towing Vessel flagged to United States of America.
What is SHAWN WILLIAMS's MMSI?
SHAWN WILLIAMS's MMSI is 367766740. Call sign WDJ3307.
How big is SHAWN WILLIAMS?
SHAWN WILLIAMS is about 19.7 m long, 8.5 m on the beam, drawing 2.9 m.
Is SHAWN WILLIAMS on the Master's Mate Safety Initiative Network?
Not yet. If SHAWN WILLIAMS is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.