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.
Unknown
IBR 121
U.S. Official No. 530801
Not yet on Master's MateType
Unknown
Flag
USALength
36.6 m
Beam
9.1 m
Draft
2.2 m
First reported
Jun 2026
AIS reports
1
IBR 121, a craft hailing from the United States, measures 36.6 metres on deck. She's built with a 9.1-metre beam and a 2.2 m draft. Her registration reads U.S. official number 530801. Claim IBR 121 free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
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Is IBR 121 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 IBR 121 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 IBR 121 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 IBR 121 and switch it all on
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About IBR 121
What kind of vessel is IBR 121?
IBR 121 is a Unknown flagged to United States of America.
What is IBR 121's U.S. Official No.?
IBR 121's U.S. Official No. is 530801.
How big is IBR 121?
IBR 121 is about 36.6 m long, 9.1 m on the beam, drawing 2.2 m.
Is IBR 121 on the Master's Mate Safety Initiative Network?
Not yet. If IBR 121 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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