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
KARI A
MMSI 366956040 · Call sign WAB3911
Not yet on Master's MateType
Towing Vessel
Flag
USALength
21.1 m
Beam
8.6 m
Draft
3.4 m
Call sign
WAB3911
IMO
8424836
Official No.
647237
AIS reports
1
KARI A is a workboat flagged in the United States, 21.1 metres in length. She's built with a beam of 8.6 m and a 3.4 m draft. Officially she's MMSI 366956040, call sign WAB3911, IMO 8424836. Join KARI A to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for working boats
Built for boats that work — like KARI A.
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 KARI A 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 KARI A 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 KARI A and switch it all on
Free to join · nothing to install to start · cancel anytime
About KARI A
What kind of vessel is KARI A?
KARI A is a Towing Vessel flagged to United States of America.
What is KARI A's MMSI?
KARI A's MMSI is 366956040. Call sign WAB3911. IMO 8424836.
How big is KARI A?
KARI A is about 21.1 m long, 8.6 m on the beam, drawing 3.4 m.
Is KARI A on the Master's Mate Safety Initiative Network?
Not yet. If KARI A is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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