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.

Commercial Fishing Vessel

BLUE FIN IV

MMSI 366970890 · Call sign WCN7250

Not yet on Master's Mate

Type

Commercial Fishing Vessel

Flag

USA

Length

11.6 m

Beam

4 m

Draft

2 m

Call sign

WCN7250

Official No.

520237

AIS reports

BLUE FIN IV is a fishing trawler flagged in the United States, 11.6 metres long. She has a beam of 4 m and a draft of 2 m. Her registration reads MMSI 366970890, call sign WCN7250. Put BLUE FIN IV on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.

Free forever · No credit card · for working captains

Know where the fleet is. Get BLUE FIN IV home safe.

Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.

Keep the fleet in sight — free →

Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever BLUE FIN IV 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 captains

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put BLUE FIN IV on the map. It hands you the full bridge:

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.

Systems Monitoring

Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.

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 BLUE FIN IV and switch it all on

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

Claim free → unlock everything

About BLUE FIN IV

What kind of vessel is BLUE FIN IV?

BLUE FIN IV is a Commercial Fishing Vessel flagged to United States of America.

What is BLUE FIN IV's MMSI?

BLUE FIN IV's MMSI is 366970890. Call sign WCN7250.

How big is BLUE FIN IV?

BLUE FIN IV is about 11.6 m long, 4 m on the beam, drawing 2 m.

Is BLUE FIN IV on the Master's Mate Safety Initiative Network?

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