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 (Uninspected)

TONGASS EXPLORER

MMSI 368002240 · Call sign WDJ6997

Not yet on Master's Mate

Type

Passenger (Uninspected)

Flag

USA

Length

13.7 m

Beam

4.5 m

Draft

2.1 m

Call sign

WDJ6997

Official No.

908650

AIS reports

TONGASS EXPLORER is a passenger boat sailing under the American flag, measuring 13.7 metres. She carries a beam measuring 4.5 metres and a 2.1 m draft. On the registers she's MMSI 368002240, call sign WDJ6997. Bring TONGASS EXPLORER aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.

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

Keep every soul aboard TONGASS 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 TONGASS 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 TONGASS 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 TONGASS EXPLORER and switch it all on

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

Claim free → unlock everything

About TONGASS EXPLORER

What kind of vessel is TONGASS EXPLORER?

TONGASS EXPLORER is a Passenger (Uninspected) flagged to United States of America.

What is TONGASS EXPLORER's MMSI?

TONGASS EXPLORER's MMSI is 368002240. Call sign WDJ6997.

How big is TONGASS EXPLORER?

TONGASS EXPLORER is about 13.7 m long, 4.5 m on the beam, drawing 2.1 m.

Is TONGASS EXPLORER on the Master's Mate Safety Initiative Network?

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