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
STL H2
MMSI 563032960
Not yet on Master's MateFlag
SGPLength
68.4 m
IMO
9763502
AIS reports
2
A Singaporean vessel, STL H2 measures 68.4 metres. Find her under MMSI 563032960, IMO 9763502. Sign STL H2 up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card
Is STL H2 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 STL H2 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 STL H2 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 STL H2 and switch it all on
Free to join · nothing to install to start · cancel anytime
About STL H2
What kind of vessel is STL H2?
STL H2 is a vessel flagged to Singapore.
What is STL H2's MMSI?
STL H2's MMSI is 563032960. IMO 9763502.
How big is STL H2?
STL H2 is about 68.4 m long.
Is STL H2 on the Master's Mate Safety Initiative Network?
Not yet. If STL H2 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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