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
William Breckenridge
MMSI 367027150 · Call sign WDC4593
Not yet on Master's MateType
Towing Vessel
Flag
USALength
19.8 m
Beam
7.3 m
Draft
2.1 m
Call sign
WDC4593
IMO
8992340
Official No.
638901
AIS reports
1
William Breckenridge, a work boat flagged in the United States, measures 19.8 metres on deck. Below, she has a beam measuring 7.3 metres and a draft measuring 2.1 metres. Her papers read MMSI 367027150, call sign WDC4593, IMO 8992340. The Master's Mate Safety Initiative Network welcomes William Breckenridge — free to join, cruiser-run, and always on watch.
Free forever · No credit card · for working boats
Built for boats that work — like William Breckenridge.
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 William Breckenridge 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 William Breckenridge 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 William Breckenridge and switch it all on
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About William Breckenridge
What kind of vessel is William Breckenridge?
William Breckenridge is a Towing Vessel flagged to United States of America.
What is William Breckenridge's MMSI?
William Breckenridge's MMSI is 367027150. Call sign WDC4593. IMO 8992340.
How big is William Breckenridge?
William Breckenridge is about 19.8 m long, 7.3 m on the beam, drawing 2.1 m.
Is William Breckenridge on the Master's Mate Safety Initiative Network?
Not yet. If William Breckenridge is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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