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.
Tug
ARIA
MMSI 377799000 · Call sign J8B6431
Not yet on Master's MateType
Tug
Flag
VCTLength
32 m
Beam
9 m
Draft
3 m
Call sign
J8B6431
IMO
9901477
First reported
Apr 2026
Last reported
Apr 2026
AIS reports
85
Registered in St Vincent, ARIA is a 32-metre working tug. ARIA has 9 metres in the beam and a 3-metre draft. On AIS she shows as MMSI 377799000, call sign J8B6431, IMO 9901477. ARIA earns her keep on the water; the free Master's Mate Safety Initiative Network keeps a watching fleet and a distress mesh close at hand.
Free forever · No credit card · for working boats
Built for boats that work — like ARIA.
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 ARIA 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 ARIA 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 ARIA and switch it all on
Free to join · nothing to install to start · cancel anytime
About ARIA
What kind of vessel is ARIA?
ARIA is a Tug flagged to Saint Vincent and the Grenadines.
What is ARIA's MMSI?
ARIA's MMSI is 377799000. Call sign J8B6431. IMO 9901477.
How big is ARIA?
ARIA is about 32 m long, 9 m on the beam, drawing 3 m.
Is ARIA on the Master's Mate Safety Initiative Network?
Not yet. If ARIA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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