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

ROCKBRIDGE

MMSI 367607250 · Call sign WDH3428

Not yet on Master's Mate

Type

Industrial Vessel

Flag

USA

Length

48.8 m

Beam

11.6 m

Draft

2.9 m

Call sign

WDH3428

Official No.

1245533

AIS reports

ROCKBRIDGE is a merchant vessel flying the American flag, measuring 48.8 metres. She carries a beam measuring 11.6 metres and a 2.9 m draft. She's listed under MMSI 367607250, call sign WDH3428. ROCKBRIDGE can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.

Free forever · No credit card · for commercial operators

Eyes on ROCKBRIDGE, 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 ROCKBRIDGE 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 ROCKBRIDGE 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 ROCKBRIDGE and switch it all on

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

Claim free → unlock everything

About ROCKBRIDGE

What kind of vessel is ROCKBRIDGE?

ROCKBRIDGE is a Industrial Vessel flagged to United States of America.

What is ROCKBRIDGE's MMSI?

ROCKBRIDGE's MMSI is 367607250. Call sign WDH3428.

How big is ROCKBRIDGE?

ROCKBRIDGE is about 48.8 m long, 11.6 m on the beam, drawing 2.9 m.

Is ROCKBRIDGE on the Master's Mate Safety Initiative Network?

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