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
The Alternative
MMSI 367456360 · Call sign WDF4837
Not yet on Master's MateType
Recreational
Flag
USALength
10.2 m
Beam
4 m
Draft
2.1 m
Call sign
WDF4837
Official No.
1220261
AIS reports
1
On the American registry, The Alternative is a 10.2-metre private cruiser. Below, she has a 4 m beam and a draft of 2.1 m. Her papers read MMSI 367456360, call sign WDF4837. The Alternative can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card · for recreational captains
Keep The Alternative 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 The Alternative 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 The Alternative 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 The Alternative and switch it all on
Free to join · nothing to install to start · cancel anytime
About The Alternative
What kind of vessel is The Alternative?
The Alternative is a Recreational flagged to United States of America.
What is The Alternative's MMSI?
The Alternative's MMSI is 367456360. Call sign WDF4837.
How big is The Alternative?
The Alternative is about 10.2 m long, 4 m on the beam, drawing 2.1 m.
Is The Alternative on the Master's Mate Safety Initiative Network?
Not yet. If The Alternative is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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