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.

Industrial Vessel

SANTA ROSA II

MMSI 303621000 · Call sign WDL2451

Not yet on Master's Mate

Type

Industrial Vessel

Flag

USA

Length

51.6 m

Beam

12.2 m

Draft

4.3 m

Call sign

WDL2451

IMO

8109802

Official No.

641674

AIS reports

Out of the United States, SANTA ROSA II is a 51.6-metre commercial ship. Below, she has a beam measuring 12.2 metres and a draft measuring 4.3 metres. On the registers she's MMSI 303621000, call sign WDL2451, IMO 8109802. SANTA ROSA II is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.

Free forever · No credit card · for commercial operators

Eyes on SANTA ROSA II, around the clock.

Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.

Put her on the dashboard — free →

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

Wherever SANTA ROSA II 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 commercial operators

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

Joining the Safety Initiative Network doesn't just put SANTA ROSA II 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.

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.

Worldwide Charts

Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.

Weather & Routing

GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.

Anchor Watch

GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.

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 SANTA ROSA II and switch it all on

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

Claim free → unlock everything

About SANTA ROSA II

What kind of vessel is SANTA ROSA II?

SANTA ROSA II is a Industrial Vessel flagged to United States of America.

What is SANTA ROSA II's MMSI?

SANTA ROSA II's MMSI is 303621000. Call sign WDL2451. IMO 8109802.

How big is SANTA ROSA II?

SANTA ROSA II is about 51.6 m long, 12.2 m on the beam, drawing 4.3 m.

Is SANTA ROSA II on the Master's Mate Safety Initiative Network?

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