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

Seongho Ace

MMSI 441601000

Not yet on Master's Mate

Flag

KOR

Length

128.6 m

IMO

9458315

AIS reports

A South Korean vessel, Seongho Ace measures 128.6 metres. Officially she's MMSI 441601000, IMO 9458315. Give Seongho Ace the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.

Free forever · No credit card

Is Seongho 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 Seongho 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 Seongho 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 Seongho Ace and switch it all on

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About Seongho Ace

What kind of vessel is Seongho Ace?

Seongho Ace is a vessel flagged to South Korea.

What is Seongho Ace's MMSI?

Seongho Ace's MMSI is 441601000. IMO 9458315.

How big is Seongho Ace?

Seongho Ace is about 128.6 m long.

Is Seongho Ace on the Master's Mate Safety Initiative Network?

Not yet. If Seongho Ace is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).