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.
Sailing
TONIC
MMSI 368300020 · Call sign WDN6536
Not yet on Master's MateType
Sailing
Flag
USALength
14 m
Beam
8 m
Draft
3.4 m
Call sign
WDN6536
Official No.
1334282
First reported
May 2026
Last reported
May 2026
AIS reports
86
Registered in the United States, TONIC is a 14-metre sailing boat. Her hull carries a beam of 8 m and a draft of 3.4 m. She's listed under MMSI 368300020, call sign WDN6536. Add TONIC to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for cruisers
Sleep easy on the hook aboard TONIC.
GPS-precise anchor-drag alarms, ETA-calibrated weather routing, worldwide charts, and cruisers watching each other’s backs.
Set her anchor watch — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · May 15, 2026
Position
14.3706° N, 61.0760° W
Sailing the Caribbean? 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 cruisers
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put TONIC on the map. It hands you the full bridge:
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Claim TONIC and switch it all on
Free to join · nothing to install to start · cancel anytime
About TONIC
What kind of vessel is TONIC?
TONIC is a Sailing flagged to United States of America.
Where was TONIC last seen?
TONIC was last reported in the Caribbean in May 2026 on public AIS.
What is TONIC's MMSI?
TONIC's MMSI is 368300020. Call sign WDN6536.
How big is TONIC?
TONIC is about 14 m long, 8 m on the beam, drawing 3.4 m.
Is TONIC on the Master's Mate Safety Initiative Network?
Not yet. If TONIC is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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