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.
Unclassified
STRIDER
MMSI 366767560 · Call sign WCZ3203
Not yet on Master's MateType
Unclassified
Flag
USALength
12.2 m
Beam
3.9 m
Draft
2.4 m
Call sign
WCZ3203
Official No.
913169
AIS reports
1
STRIDER, a boat wearing American colours, measures 12.2 metres on deck. She carries a 3.9-metre beam and a 2.4-metre draft. Her papers read MMSI 366767560, call sign WCZ3203. STRIDER can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card
Is STRIDER 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
Wherever STRIDER 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put STRIDER 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 STRIDER and switch it all on
Free to join · nothing to install to start · cancel anytime
About STRIDER
What kind of vessel is STRIDER?
STRIDER is a Unclassified flagged to United States of America.
What is STRIDER's MMSI?
STRIDER's MMSI is 366767560. Call sign WCZ3203.
How big is STRIDER?
STRIDER is about 12.2 m long, 3.9 m on the beam, drawing 2.4 m.
Is STRIDER on the Master's Mate Safety Initiative Network?
Not yet. If STRIDER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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