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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

Early Limits

MMSI 367615390 · Call sign WDH4217

Not yet on Master's Mate
Flag
USAUSA
Call sign
WDH4217
Official No.
CF6412KN
AIS reports
1

Early Limits flies the American flag — a boat. Her registration reads MMSI 367615390, call sign WDH4217. There's a place for Early Limits on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.

Free forever · No credit card

Is Early Limits 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.

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

Wherever Early Limits roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put Early Limits 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 Early Limits and switch it all on
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About Early Limits

What kind of vessel is Early Limits?
Early Limits is a vessel flagged to United States of America.
What is Early Limits's MMSI?
Early Limits's MMSI is 367615390. Call sign WDH4217.
Is Early Limits on the Master's Mate Safety Initiative Network?
Not yet. If Early Limits is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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