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

Captain Sherm

MMSI 367705170 · Call sign WDI5102

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

14.4 m

Beam

3.6 m

Draft

1.5 m

Call sign

WDI5102

Official No.

234780

AIS reports

Captain Sherm, an American workboat, measures 14.4 metres on deck. She's built with 3.6 metres in the beam and a 1.5 m draft. Look for MMSI 367705170, call sign WDI5102. Add Captain Sherm to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.

Free forever · No credit card · for working boats

Built for boats that work — like Captain Sherm.

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 Captain Sherm 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 Captain Sherm 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 Captain Sherm and switch it all on

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

Claim free → unlock everything

About Captain Sherm

What kind of vessel is Captain Sherm?

Captain Sherm is a Towing Vessel flagged to United States of America.

What is Captain Sherm's MMSI?

Captain Sherm's MMSI is 367705170. Call sign WDI5102.

How big is Captain Sherm?

Captain Sherm is about 14.4 m long, 3.6 m on the beam, drawing 1.5 m.

Is Captain Sherm on the Master's Mate Safety Initiative Network?

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