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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

TATOSO II

U.S. Official No. 508117

Not yet on Master's Mate
Type
Towing Vessel
Flag
USAUSA
Length
23.1 m
Beam
7.3 m
Draft
3.2 m
First reported
Jun 2026
AIS reports
1

Registered in the United States, TATOSO II is a 23.1-metre service vessel. She's built with a beam of 7.3 m and a 3.2 m draft. Her registration reads U.S. official number 508117. TATOSO II can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.

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Built for boats that work — like TATOSO II.

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 TATOSO II roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put TATOSO II 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 TATOSO II and switch it all on
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About TATOSO II

What kind of vessel is TATOSO II?
TATOSO II is a Towing Vessel flagged to United States of America.
What is TATOSO II's U.S. Official No.?
TATOSO II's U.S. Official No. is 508117.
How big is TATOSO II?
TATOSO II is about 23.1 m long, 7.3 m on the beam, drawing 3.2 m.
Is TATOSO II on the Master's Mate Safety Initiative Network?
Not yet. If TATOSO II is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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