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
Store Checks
MMSI 366916250 · Call sign WDH4119
Not yet on Master's MateFlag
USACall sign
WDH4119
Official No.
1020355
AIS reports
2
Store Checks is a vessel on the the United States registry. She broadcasts as MMSI 366916250, call sign WDH4119. Claim Store Checks free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card
Is Store Checks 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 Store Checks 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 Store Checks 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 Store Checks and switch it all on
Free to join · nothing to install to start · cancel anytime
About Store Checks
What kind of vessel is Store Checks?
Store Checks is a vessel flagged to United States of America.
What is Store Checks's MMSI?
Store Checks's MMSI is 366916250. Call sign WDH4119.
Is Store Checks on the Master's Mate Safety Initiative Network?
Not yet. If Store Checks is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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