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

Sigrid Dunlap

MMSI 368031220 · Call sign WDJ9975

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

35.2 m

Beam

11.6 m

Draft

5.5 m

Call sign

WDJ9975

IMO

9855068

Official No.

1265980

AIS reports

Sigrid Dunlap is an American utility vessel — 35.2 metres overall. She carries a 11.6 m beam and a 5.5-metre draft. She broadcasts as MMSI 368031220, call sign WDJ9975, IMO 9855068. Working vessels like Sigrid Dunlap are never truly alone on the Master's Mate Safety Initiative Network — free, with a fleet on watch.

Free forever · No credit card · for working boats

Built for boats that work — like Sigrid Dunlap.

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 Sigrid Dunlap 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 Sigrid Dunlap 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 Sigrid Dunlap and switch it all on

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

Claim free → unlock everything

About Sigrid Dunlap

What kind of vessel is Sigrid Dunlap?

Sigrid Dunlap is a Towing Vessel flagged to United States of America.

What is Sigrid Dunlap's MMSI?

Sigrid Dunlap's MMSI is 368031220. Call sign WDJ9975. IMO 9855068.

How big is Sigrid Dunlap?

Sigrid Dunlap is about 35.2 m long, 11.6 m on the beam, drawing 5.5 m.

Is Sigrid Dunlap on the Master's Mate Safety Initiative Network?

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