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

Sider Gladiator

MMSI 247243400

Not yet on Master's Mate

Flag

ITA

Length

179 m

IMO

8921834

AIS reports

Sider Gladiator, an Italian boat, measures 179 metres on deck. Officially she's MMSI 247243400, IMO 8921834. Give Sider Gladiator the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.

Free forever · No credit card

Is Sider Gladiator 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 Sider Gladiator 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 Sider Gladiator 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 Sider Gladiator and switch it all on

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Claim free → unlock everything

About Sider Gladiator

What kind of vessel is Sider Gladiator?

Sider Gladiator is a vessel flagged to Italy.

What is Sider Gladiator's MMSI?

Sider Gladiator's MMSI is 247243400. IMO 8921834.

How big is Sider Gladiator?

Sider Gladiator is about 179 m long.

Is Sider Gladiator on the Master's Mate Safety Initiative Network?

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