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.
UNSPECIFIED
MID RIVER II
U.S. Official No. 575309
Not yet on Master's MateType
UNSPECIFIED
Flag
USALength
73.2 m
Beam
15.2 m
Draft
3.1 m
First reported
Jun 2026
AIS reports
1
An American vessel, MID RIVER II measures 73.2 metres. Below, she has a beam measuring 15.2 metres and a draft measuring 3.1 metres. Find her under U.S. official number 575309. Claim MID RIVER II free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
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Is MID RIVER II 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 MID RIVER II roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put MID RIVER II 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 MID RIVER II and switch it all on
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About MID RIVER II
What kind of vessel is MID RIVER II?
MID RIVER II is a UNSPECIFIED flagged to United States of America.
What is MID RIVER II's U.S. Official No.?
MID RIVER II's U.S. Official No. is 575309.
How big is MID RIVER II?
MID RIVER II is about 73.2 m long, 15.2 m on the beam, drawing 3.1 m.
Is MID RIVER II on the Master's Mate Safety Initiative Network?
Not yet. If MID RIVER II is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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