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

Star Theta

MMSI 538003050

Not yet on Master's Mate

Flag

MHL

Length

189 m

IMO

9266449

AIS reports

Star Theta is a Marshall Islands 189-metre vessel. Her registration reads MMSI 538003050, IMO 9266449. Claim Star Theta free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

Free forever · No credit card

Is Star Theta 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 Star Theta 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 Star Theta 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 Star Theta and switch it all on

Free to join · nothing to install to start · cancel anytime

Claim free → unlock everything

About Star Theta

What kind of vessel is Star Theta?

Star Theta is a vessel flagged to Marshall Islands.

What is Star Theta's MMSI?

Star Theta's MMSI is 538003050. IMO 9266449.

How big is Star Theta?

Star Theta is about 189 m long.

Is Star Theta on the Master's Mate Safety Initiative Network?

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