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)

D A I W A C H A L L E N G ER

MMSI 366599870 · Call sign WCH8275

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

19.8 m

Beam

6.7 m

Draft

2.4 m

Call sign

WCH8275

Official No.

992464

AIS reports

D A I W A C H A L L E N G ER flies the American flag — a 19.8-metre ferry vessel. She has a beam measuring 6.7 metres and a draft of 2.4 m. Look for MMSI 366599870, call sign WCH8275. Add D A I W A C H A L L E N G ER to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.

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

Keep every soul aboard D A I W A C H A L L E N G ER 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 D A I W A C H A L L E N G ER 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 D A I W A C H A L L E N G ER 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 D A I W A C H A L L E N G ER and switch it all on

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

Claim free → unlock everything

About D A I W A C H A L L E N G ER

What kind of vessel is D A I W A C H A L L E N G ER?

D A I W A C H A L L E N G ER is a Passenger (Inspected) flagged to United States of America.

What is D A I W A C H A L L E N G ER's MMSI?

D A I W A C H A L L E N G ER's MMSI is 366599870. Call sign WCH8275.

How big is D A I W A C H A L L E N G ER?

D A I W A C H A L L E N G ER is about 19.8 m long, 6.7 m on the beam, drawing 2.4 m.

Is D A I W A C H A L L E N G ER on the Master's Mate Safety Initiative Network?

Not yet. If D A I W A C H A L L E N G ER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).