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.

Towing Vessel

BILL WYNDHAM

MMSI 367190720 · Call sign WTK4183

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

18.7 m

Beam

8.5 m

Draft

1.3 m

Call sign

WTK4183

Official No.

507240

AIS reports

BILL WYNDHAM, a harbour workboat flying the American flag, measures 18.7 metres on deck. She has a 8.5 m beam and a draft of 1.3 m. On the registers she's MMSI 367190720, call sign WTK4183. Put BILL WYNDHAM on the free Master's Mate Safety Initiative Network and keep the working fleet looking out for each other.

Free forever · No credit card · for working boats

Built for boats that work — like BILL WYNDHAM.

Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.

Rig her out — free →

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

Wherever BILL WYNDHAM 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 working boats

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

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

Systems Monitoring

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

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.

Distress Mesh

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

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 BILL WYNDHAM and switch it all on

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

Claim free → unlock everything

About BILL WYNDHAM

What kind of vessel is BILL WYNDHAM?

BILL WYNDHAM is a Towing Vessel flagged to United States of America.

What is BILL WYNDHAM's MMSI?

BILL WYNDHAM's MMSI is 367190720. Call sign WTK4183.

How big is BILL WYNDHAM?

BILL WYNDHAM is about 18.7 m long, 8.5 m on the beam, drawing 1.3 m.

Is BILL WYNDHAM on the Master's Mate Safety Initiative Network?

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