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

HENRY FOSS

MMSI 366976870 · Call sign WRB5165

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

28.5 m

Beam

11 m

Draft

4.1 m

Call sign

WRB5165

IMO

8127555

Official No.

650272

AIS reports

An American workboat, HENRY FOSS measures 28.5 metres. HENRY FOSS has a 11-metre beam and a 4.1 m draft. Look for MMSI 366976870, call sign WRB5165, IMO 8127555. Give HENRY FOSS the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.

Free forever · No credit card · for working boats

Built for boats that work — like HENRY FOSS.

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 HENRY FOSS 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 HENRY FOSS 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 HENRY FOSS and switch it all on

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

Claim free → unlock everything

About HENRY FOSS

What kind of vessel is HENRY FOSS?

HENRY FOSS is a Towing Vessel flagged to United States of America.

What is HENRY FOSS's MMSI?

HENRY FOSS's MMSI is 366976870. Call sign WRB5165. IMO 8127555.

How big is HENRY FOSS?

HENRY FOSS is about 28.5 m long, 11 m on the beam, drawing 4.1 m.

Is HENRY FOSS on the Master's Mate Safety Initiative Network?

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