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
MB 517
U.S. Official No. 1089489
Not yet on Master's MateType
UNSPECIFIED
Flag
USALength
36.6 m
Beam
9.1 m
Draft
2.1 m
First reported
Jun 2026
AIS reports
1
MB 517 is a craft flagged in the United States, spanning 36.6 metres. She has 9.1 metres in the beam and a draft measuring 2.1 metres. Find her under U.S. official number 1089489. Add MB 517 to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
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Is MB 517 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 MB 517 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 MB 517 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 MB 517 and switch it all on
Free to join · nothing to install to start · cancel anytime
About MB 517
What kind of vessel is MB 517?
MB 517 is a UNSPECIFIED flagged to United States of America.
What is MB 517's U.S. Official No.?
MB 517's U.S. Official No. is 1089489.
How big is MB 517?
MB 517 is about 36.6 m long, 9.1 m on the beam, drawing 2.1 m.
Is MB 517 on the Master's Mate Safety Initiative Network?
Not yet. If MB 517 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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