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

WILLIAM L COLNON

MMSI 366899040 · Call sign WSM6865

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

38.3 m

Beam

11.6 m

Draft

4.4 m

Call sign

WSM6865

IMO

7390985

Official No.

563058

AIS reports

On the American registry, WILLIAM L COLNON is a 38.3-metre work boat. She has a 11.6-metre beam and a draft measuring 4.4 metres. On AIS she appears as MMSI 366899040, call sign WSM6865, IMO 7390985. Put WILLIAM L COLNON 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 WILLIAM L COLNON.

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 WILLIAM L COLNON 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 WILLIAM L COLNON 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 WILLIAM L COLNON and switch it all on

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

Claim free → unlock everything

About WILLIAM L COLNON

What kind of vessel is WILLIAM L COLNON?

WILLIAM L COLNON is a Towing Vessel flagged to United States of America.

What is WILLIAM L COLNON's MMSI?

WILLIAM L COLNON's MMSI is 366899040. Call sign WSM6865. IMO 7390985.

How big is WILLIAM L COLNON?

WILLIAM L COLNON is about 38.3 m long, 11.6 m on the beam, drawing 4.4 m.

Is WILLIAM L COLNON on the Master's Mate Safety Initiative Network?

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