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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

Capt. Bill Mantle

MMSI 367007010 · Call sign WDC3378

Not yet on Master's Mate
Type
Towing Vessel
Flag
USAUSA
Length
17.4 m
Beam
6.7 m
Draft
2.4 m
Call sign
WDC3378
Official No.
565331
AIS reports
1

Capt. Bill Mantle is a work boat wearing American colours, spanning 17.4 metres. Her hull carries a 6.7-metre beam and a draft measuring 2.4 metres. Her papers read MMSI 367007010, call sign WDC3378. Capt. Bill Mantle can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.

Free forever · No credit card · for working boats

Built for boats that work — like Capt. Bill Mantle.

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 Capt. Bill Mantle 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 Capt. Bill Mantle 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 Capt. Bill Mantle and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About Capt. Bill Mantle

What kind of vessel is Capt. Bill Mantle?
Capt. Bill Mantle is a Towing Vessel flagged to United States of America.
What is Capt. Bill Mantle's MMSI?
Capt. Bill Mantle's MMSI is 367007010. Call sign WDC3378.
How big is Capt. Bill Mantle?
Capt. Bill Mantle is about 17.4 m long, 6.7 m on the beam, drawing 2.4 m.
Is Capt. Bill Mantle on the Master's Mate Safety Initiative Network?
Not yet. If Capt. Bill Mantle is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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