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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.
Vessel

DEFENDER II

United States of America · last seen 30°N 94°W · Jun 2026 · MMSI 338097273

Not yet on Master's Mate
Flag
USAUSA
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
34

DEFENDER II flies the American flag — a vessel. Officially she's MMSI 338097273. Bring DEFENDER II aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.

Free forever · No credit card

Is DEFENDER II your boat?

Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.

Claim this boat — free →

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

Last known position · Jun 3, 2026
Position
29.7367° N, 93.8818° W
Crossing the Gulf of Mexico? 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

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

Joining the Safety Initiative Network doesn't just put DEFENDER II 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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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.
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 DEFENDER II and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About DEFENDER II

What kind of vessel is DEFENDER II?
DEFENDER II is a vessel flagged to United States of America.
Where was DEFENDER II last seen?
DEFENDER II was last reported in the Gulf of Mexico in Jun 2026 on public AIS.
What is DEFENDER II's MMSI?
DEFENDER II's MMSI is 338097273.
Is DEFENDER II on the Master's Mate Safety Initiative Network?
Not yet. If DEFENDER II is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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