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
JA-NESS
U.S. Official No. 503455
Not yet on Master's MateType
Unclassified
Flag
USALength
9.3 m
Beam
3.3 m
Draft
1.4 m
First reported
Jun 2026
AIS reports
1
JA-NESS is an American boat, 9.3 metres from stem to stern. JA-NESS has a beam of 3.3 m and a 1.4-metre draft. She's on record as U.S. official number 503455. Join JA-NESS to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
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Is JA-NESS 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 JA-NESS 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 JA-NESS 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 JA-NESS and switch it all on
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About JA-NESS
What kind of vessel is JA-NESS?
JA-NESS is a Unclassified flagged to United States of America.
What is JA-NESS's U.S. Official No.?
JA-NESS's U.S. Official No. is 503455.
How big is JA-NESS?
JA-NESS is about 9.3 m long, 3.3 m on the beam, drawing 1.4 m.
Is JA-NESS on the Master's Mate Safety Initiative Network?
Not yet. If JA-NESS is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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