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

TOBIE K DEVALL

MMSI 366972920 · Call sign WBB4806

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

18.5 m

Beam

7 m

Draft

2 m

Call sign

WBB4806

Official No.

600216

AIS reports

Registered in the United States, TOBIE K DEVALL is an 18.5-metre utility boat. She carries 7 metres in the beam and a 2-metre draft. Her registration reads MMSI 366972920, call sign WBB4806. Bring TOBIE K DEVALL aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.

Free forever · No credit card · for working boats

Built for boats that work — like TOBIE K DEVALL.

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 TOBIE K DEVALL 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 TOBIE K DEVALL 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 TOBIE K DEVALL and switch it all on

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

Claim free → unlock everything

About TOBIE K DEVALL

What kind of vessel is TOBIE K DEVALL?

TOBIE K DEVALL is a Towing Vessel flagged to United States of America.

What is TOBIE K DEVALL's MMSI?

TOBIE K DEVALL's MMSI is 366972920. Call sign WBB4806.

How big is TOBIE K DEVALL?

TOBIE K DEVALL is about 18.5 m long, 7 m on the beam, drawing 2 m.

Is TOBIE K DEVALL on the Master's Mate Safety Initiative Network?

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