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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

NATOMA

MMSI 366546170 · Call sign WCC7579

Not yet on Master's Mate
Type
Recreational
Flag
USAUSA
Length
17.5 m
Beam
4.4 m
Draft
3.8 m
Call sign
WCC7579
Official No.
565565
AIS reports
1

An American weekend cruiser, NATOMA measures 17.5 metres. Her hull carries a 4.4 m beam and a draft of 3.8 m. She's on record as MMSI 366546170, call sign WCC7579. NATOMA is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.

Free forever · No credit card · for recreational captains

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

About NATOMA

What kind of vessel is NATOMA?
NATOMA is a Recreational flagged to United States of America.
What is NATOMA's MMSI?
NATOMA's MMSI is 366546170. Call sign WCC7579.
How big is NATOMA?
NATOMA is about 17.5 m long, 4.4 m on the beam, drawing 3.8 m.
Is NATOMA on the Master's Mate Safety Initiative Network?
Not yet. If NATOMA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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