Sign up free Dashboard Log out
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

Gem Star

MMSI 372371000

Not yet on Master's Mate
Flag
PANPAN
Length
177 m
IMO
9496173
AIS reports
2

A Panamanian boat, Gem Star measures 177 metres. Find her under MMSI 372371000, IMO 9496173. Gem Star can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.

Free forever · No credit card

Is Gem Star 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 Gem Star 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 Gem Star 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 Gem Star and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About Gem Star

What kind of vessel is Gem Star?
Gem Star is a vessel flagged to Panama.
What is Gem Star's MMSI?
Gem Star's MMSI is 372371000. IMO 9496173.
How big is Gem Star?
Gem Star is about 177 m long.
Is Gem Star on the Master's Mate Safety Initiative Network?
Not yet. If Gem Star is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

© 2026 Master’s Mate. All rights reserved.