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
Laurie S. Johnston
MMSI 366971790 · Call sign WDB9213
Not yet on Master's MateType
Towing Vessel
Flag
USALength
51.2 m
Beam
12.8 m
Draft
3.4 m
Call sign
WDB9213
Official No.
626092
AIS reports
1
Out of the United States, Laurie S. Johnston is a 51.2-metre utility vessel. Laurie S. Johnston has a 12.8 m beam and a 3.4-metre draft. On AIS she shows as MMSI 366971790, call sign WDB9213. It's free to add Laurie S. Johnston to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for working boats
Built for boats that work — like Laurie S. Johnston.
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 Laurie S. Johnston 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 Laurie S. Johnston 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 Laurie S. Johnston and switch it all on
Free to join · nothing to install to start · cancel anytime
About Laurie S. Johnston
What kind of vessel is Laurie S. Johnston?
Laurie S. Johnston is a Towing Vessel flagged to United States of America.
What is Laurie S. Johnston's MMSI?
Laurie S. Johnston's MMSI is 366971790. Call sign WDB9213.
How big is Laurie S. Johnston?
Laurie S. Johnston is about 51.2 m long, 12.8 m on the beam, drawing 3.4 m.
Is Laurie S. Johnston on the Master's Mate Safety Initiative Network?
Not yet. If Laurie S. Johnston is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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