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.

Passenger (Inspected)

Siginaka Explorer

MMSI 368209630 · Call sign WDM4773

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

10.6 m

Beam

4 m

Draft

1.2 m

Call sign

WDM4773

Official No.

1247806

AIS reports

Siginaka Explorer is an excursion vessel flying the American flag, 10.6 metres from stem to stern. Siginaka Explorer has a beam measuring 4 metres and a 1.2-metre draft. Her papers read MMSI 368209630, call sign WDM4773. For a boat that carries people, Siginaka Explorer can lean on the Master's Mate Safety Initiative Network — free distress alerting and a fleet that's paying attention.

Free forever · No credit card · for passenger & charter operators

Keep every soul aboard Siginaka Explorer safe.

Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.

Switch on the safety stack — free →

Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever Siginaka Explorer 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 · for passenger & charter operators

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put Siginaka Explorer on the map. It hands you the full bridge:

Distress Mesh

Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.

Live AIS & Traffic

See every vessel around you in real time. Closest-approach warnings before they matter.

Systems Monitoring

Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.

Weather & Routing

GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.

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.

Onboard Cameras

Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.

Hail Any Captain

A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.

Claim Siginaka Explorer and switch it all on

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

Claim free → unlock everything

About Siginaka Explorer

What kind of vessel is Siginaka Explorer?

Siginaka Explorer is a Passenger (Inspected) flagged to United States of America.

What is Siginaka Explorer's MMSI?

Siginaka Explorer's MMSI is 368209630. Call sign WDM4773.

How big is Siginaka Explorer?

Siginaka Explorer is about 10.6 m long, 4 m on the beam, drawing 1.2 m.

Is Siginaka Explorer on the Master's Mate Safety Initiative Network?

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