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.
Cargo
ONE ALTAIR
MMSI 431710000 · Call sign 7KHW
Not yet on Master's MateType
Cargo
Flag
JPNLength
333 m
Beam
46 m
Draft
12.5 m
Call sign
7KHW
IMO
9468308
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
29
ONE ALTAIR is a Japanese cargo carrier, 333 metres from stem to stern. ONE ALTAIR has 46 metres in the beam and a 12.5-metre draft. On the registers she's MMSI 431710000, call sign 7KHW, IMO 9468308. Big or small, every hull benefits from the free Master's Mate Safety Initiative Network — ONE ALTAIR included.
Free forever · No credit card · for commercial operators
Eyes on ONE ALTAIR, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
34.5715° S, 18.3671° E
Wherever ONE ALTAIR 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put ONE ALTAIR on the map. It hands you the full bridge:
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
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 ONE ALTAIR and switch it all on
Free to join · nothing to install to start · cancel anytime
About ONE ALTAIR
What kind of vessel is ONE ALTAIR?
ONE ALTAIR is a Cargo flagged to Japan.
Where was ONE ALTAIR last seen?
ONE ALTAIR was last reported in around 35°S 18°E in Jun 2026 on public AIS.
What is ONE ALTAIR's MMSI?
ONE ALTAIR's MMSI is 431710000. Call sign 7KHW. IMO 9468308.
How big is ONE ALTAIR?
ONE ALTAIR is about 333 m long, 46 m on the beam, drawing 12.5 m.
Is ONE ALTAIR on the Master's Mate Safety Initiative Network?
Not yet. If ONE ALTAIR is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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