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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 Elmer

MMSI 366971870 · Call sign WDB9219

Not yet on Master's Mate
Type
Towing Vessel
Flag
USAUSA
Length
54.9 m
Beam
15.8 m
Draft
3.4 m
Call sign
WDB9219
Official No.
533705
AIS reports
1

On the American registry, Bill Elmer is a 54.9-metre utility boat. She's built with a 15.8-metre beam and a 3.4-metre draft. Find her under MMSI 366971870, call sign WDB9219. Put Bill Elmer 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 Elmer.

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 Elmer 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 Elmer 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 Elmer and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About Bill Elmer

What kind of vessel is Bill Elmer?
Bill Elmer is a Towing Vessel flagged to United States of America.
What is Bill Elmer's MMSI?
Bill Elmer's MMSI is 366971870. Call sign WDB9219.
How big is Bill Elmer?
Bill Elmer is about 54.9 m long, 15.8 m on the beam, drawing 3.4 m.
Is Bill Elmer on the Master's Mate Safety Initiative Network?
Not yet. If Bill Elmer is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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