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.
Unclassified
IBR 221
U.S. Official No. 575342
Not yet on Master's MateType
Unclassified
Flag
USALength
36.6 m
Beam
9.1 m
Draft
2 m
First reported
Jun 2026
AIS reports
1
IBR 221 is a vessel flagged in the United States, measuring 36.6 metres. She's built with a 9.1-metre beam and a 2 m draft. Her registration reads U.S. official number 575342. IBR 221 can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card
Is IBR 221 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 221 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 IBR 221 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 221 and switch it all on
Free to join · nothing to install to start · cancel anytime
About IBR 221
What kind of vessel is IBR 221?
IBR 221 is a Unclassified flagged to United States of America.
What is IBR 221's U.S. Official No.?
IBR 221's U.S. Official No. is 575342.
How big is IBR 221?
IBR 221 is about 36.6 m long, 9.1 m on the beam, drawing 2 m.
Is IBR 221 on the Master's Mate Safety Initiative Network?
Not yet. If IBR 221 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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