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
ALVIN C JOHNSON (ACJ)
MMSI 366963250 · Call sign WDL2060
Not yet on Master's MateType
Towing Vessel
Flag
USALength
41 m
Beam
10.7 m
Draft
3.2 m
Call sign
WDL2060
Official No.
578276
AIS reports
2
ALVIN C JOHNSON (ACJ) is an American 41-metre working craft. Her hull carries a beam of 10.7 m and a draft of 3.2 m. Look for MMSI 366963250, call sign WDL2060. ALVIN C JOHNSON (ACJ) is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
Free forever · No credit card · for working boats
Built for boats that work — like ALVIN C JOHNSON (ACJ).
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
Live AIS position · Jun 10, 2026 02:13 UTC
Position
36.5357° N, 87.4006° W
Status
Pushing ahead
Speed
5.4 kn
Course
244°
Destination
USPAH>USBNA>USPAH
ETA
05-21 05:00 UTC
Wherever ALVIN C JOHNSON (ACJ) 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 ALVIN C JOHNSON (ACJ) 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 ALVIN C JOHNSON (ACJ) and switch it all on
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About ALVIN C JOHNSON (ACJ)
What kind of vessel is ALVIN C JOHNSON (ACJ)?
ALVIN C JOHNSON (ACJ) is a Towing Vessel flagged to United States of America.
What is ALVIN C JOHNSON (ACJ)'s MMSI?
ALVIN C JOHNSON (ACJ)'s MMSI is 366963250. Call sign WDL2060.
How big is ALVIN C JOHNSON (ACJ)?
ALVIN C JOHNSON (ACJ) is about 41 m long, 10.7 m on the beam, drawing 3.2 m.
Is ALVIN C JOHNSON (ACJ) on the Master's Mate Safety Initiative Network?
Not yet. If ALVIN C JOHNSON (ACJ) is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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