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.
Recreational
Tunanator T4
MMSI 368278460 · Call sign WDN4161
Not yet on Master's MateType
Recreational
Flag
USALength
11.9 m
Beam
3.4 m
Draft
1.8 m
Call sign
WDN4161
Official No.
1329430
Hull ID
IVB01126G223
AIS reports
1
Tunanator T4 is an American cruising boat — 11.9 metres overall. Tunanator T4 has a beam measuring 3.4 metres and a 1.8 m draft. On AIS she shows as MMSI 368278460, call sign WDN4161. Give Tunanator T4 the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for recreational captains
Keep Tunanator T4 looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Tunanator T4 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 recreational captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Tunanator T4 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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim Tunanator T4 and switch it all on
Free to join · nothing to install to start · cancel anytime
About Tunanator T4
What kind of vessel is Tunanator T4?
Tunanator T4 is a Recreational flagged to United States of America.
What is Tunanator T4's MMSI?
Tunanator T4's MMSI is 368278460. Call sign WDN4161.
How big is Tunanator T4?
Tunanator T4 is about 11.9 m long, 3.4 m on the beam, drawing 1.8 m.
Is Tunanator T4 on the Master's Mate Safety Initiative Network?
Not yet. If Tunanator T4 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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