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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.
Recreational

Teotwawki

MMSI 367467560 · Call sign WDF5821

Not yet on Master's Mate
Type
Recreational
Flag
USAUSA
Length
13.9 m
Beam
3.8 m
Draft
2.7 m
Call sign
WDF5821
Official No.
560415
AIS reports
1

Teotwawki is an American 13.9-metre weekend cruiser. Below, she has 3.8 metres in the beam and a draft measuring 2.7 metres. Officially she's MMSI 367467560, call sign WDF5821. It's free to add Teotwawki to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.

Free forever · No credit card · for recreational captains

Keep Teotwawki 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 Teotwawki 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 Teotwawki 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 Teotwawki and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About Teotwawki

What kind of vessel is Teotwawki?
Teotwawki is a Recreational flagged to United States of America.
What is Teotwawki's MMSI?
Teotwawki's MMSI is 367467560. Call sign WDF5821.
How big is Teotwawki?
Teotwawki is about 13.9 m long, 3.8 m on the beam, drawing 2.7 m.
Is Teotwawki on the Master's Mate Safety Initiative Network?
Not yet. If Teotwawki is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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