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.
Towing Vessel
8TH SEA
U.S. Official No. 1057948
Not yet on Master's MateType
Towing Vessel
Flag
USALength
13.7 m
Beam
3.8 m
Draft
2.4 m
First reported
Jun 2026
AIS reports
1
On the American registry, 8TH SEA is a 13.7-metre harbour workboat. Below, she has 3.8 metres in the beam and a draft of 2.4 m. Her papers read U.S. official number 1057948. The Master's Mate Safety Initiative Network welcomes 8TH SEA — free to join, cruiser-run, and always on watch.
Free forever · No credit card · for working boats
Built for boats that work — like 8TH SEA.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever 8TH SEA 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 · for working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put 8TH SEA on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim 8TH SEA and switch it all on
Free to join · nothing to install to start · cancel anytime
About 8TH SEA
What kind of vessel is 8TH SEA?
8TH SEA is a Towing Vessel flagged to United States of America.
What is 8TH SEA's U.S. Official No.?
8TH SEA's U.S. Official No. is 1057948.
How big is 8TH SEA?
8TH SEA is about 13.7 m long, 3.8 m on the beam, drawing 2.4 m.
Is 8TH SEA on the Master's Mate Safety Initiative Network?
Not yet. If 8TH SEA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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