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
Rich Spring
MMSI 677098800
Not yet on Master's MateFlag
TZALength
87.5 m
IMO
9373163
AIS reports
2
Rich Spring is an 87.5-metre boat flying the flag of United Republic of Tanzania. Look for MMSI 677098800, IMO 9373163. Put Rich Spring on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card
Is Rich Spring 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 Rich Spring 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 Rich Spring 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 Rich Spring and switch it all on
Free to join · nothing to install to start · cancel anytime
About Rich Spring
What kind of vessel is Rich Spring?
Rich Spring is a vessel flagged to United Republic of Tanzania.
What is Rich Spring's MMSI?
Rich Spring's MMSI is 677098800. IMO 9373163.
How big is Rich Spring?
Rich Spring is about 87.5 m long.
Is Rich Spring on the Master's Mate Safety Initiative Network?
Not yet. If Rich Spring is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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