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

Sejahtera 18

MMSI 525023083

Not yet on Master's Mate

Flag

IDN

Length

55 m

IMO

8824529

AIS reports

Out of Indonesia, Sejahtera 18 is a 55-metre boat. She broadcasts as MMSI 525023083, IMO 8824529. Add Sejahtera 18 to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.

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Is Sejahtera 18 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 Sejahtera 18 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 Sejahtera 18 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 Sejahtera 18 and switch it all on

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About Sejahtera 18

What kind of vessel is Sejahtera 18?

Sejahtera 18 is a vessel flagged to Indonesia.

What is Sejahtera 18's MMSI?

Sejahtera 18's MMSI is 525023083. IMO 8824529.

How big is Sejahtera 18?

Sejahtera 18 is about 55 m long.

Is Sejahtera 18 on the Master's Mate Safety Initiative Network?

Not yet. If Sejahtera 18 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).