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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.
Commercial Fishing Vessel

SEA WITCH

U.S. Official No. 528757

Not yet on Master's Mate
Type
Commercial Fishing Vessel
Flag
USAUSA
Length
11.2 m
Beam
4 m
Draft
1.5 m
First reported
Jun 2026
AIS reports
1

SEA WITCH is a commercial fishing vessel listed on the the United States registry, measuring 11.2 metres. SEA WITCH has a beam measuring 4 metres and a 1.5 m draft. Her registration reads U.S. official number 528757. Out where help is far away, SEA WITCH has the free Master's Mate Safety Initiative Network — and a fleet that answers.

Free forever · No credit card · for working captains

Know where the fleet is. Get SEA WITCH home safe.

Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.

Keep the fleet in sight — free →

Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever SEA WITCH 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 working captains

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put SEA WITCH on the map. It hands you the full bridge:

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.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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 SEA WITCH and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About SEA WITCH

What kind of vessel is SEA WITCH?
SEA WITCH is a Commercial Fishing Vessel flagged to United States of America.
What is SEA WITCH's U.S. Official No.?
SEA WITCH's U.S. Official No. is 528757.
How big is SEA WITCH?
SEA WITCH is about 11.2 m long, 4 m on the beam, drawing 1.5 m.
Is SEA WITCH on the Master's Mate Safety Initiative Network?
Not yet. If SEA WITCH is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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