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

D. DWAINE STEPHENS

MMSI 368103540 · Call sign WDK9419

Not yet on Master's Mate

Flag

USA

Length

349 m

Beam

33 m

Draft

2.8 m

Call sign

WDK9419

Official No.

578740

First reported

Jun 2026

Last reported

Jun 2026

AIS reports

On the American registry, D. DWAINE STEPHENS is a 349-metre vessel. Below, she has a beam of 33 m and a draft of 2.8 m. On AIS she shows as MMSI 368103540, call sign WDK9419. D. DWAINE STEPHENS belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.

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Last known position · Jun 4, 2026

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Position

38.9130° N, 90.6489° W

Wherever D. DWAINE STEPHENS roams, you're never out there alone.

Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.

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Joining the Safety Initiative Network doesn't just put D. DWAINE STEPHENS 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.

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About D. DWAINE STEPHENS

What kind of vessel is D. DWAINE STEPHENS?

D. DWAINE STEPHENS is a vessel flagged to United States of America.

Where was D. DWAINE STEPHENS last seen?

D. DWAINE STEPHENS was last reported in around 39°N 91°W in Jun 2026 on public AIS.

What is D. DWAINE STEPHENS's MMSI?

D. DWAINE STEPHENS's MMSI is 368103540. Call sign WDK9419.

How big is D. DWAINE STEPHENS?

D. DWAINE STEPHENS is about 349 m long, 33 m on the beam, drawing 2.8 m.

Is D. DWAINE STEPHENS on the Master's Mate Safety Initiative Network?

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