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.
Vessel
Sasebo Ace
MMSI 538007182
Not yet on Master's MateFlag
MHLLength
225 m
IMO
9507960
AIS reports
2
Sasebo Ace is a Marshall Islands craft, spanning 225 metres. She's on record as MMSI 538007182, IMO 9507960. Sign Sasebo Ace up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
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Is Sasebo Ace 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 Sasebo Ace 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 Sasebo Ace 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 Sasebo Ace and switch it all on
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About Sasebo Ace
What kind of vessel is Sasebo Ace?
Sasebo Ace is a vessel flagged to Marshall Islands.
What is Sasebo Ace's MMSI?
Sasebo Ace's MMSI is 538007182. IMO 9507960.
How big is Sasebo Ace?
Sasebo Ace is about 225 m long.
Is Sasebo Ace on the Master's Mate Safety Initiative Network?
Not yet. If Sasebo Ace is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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