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

DRY DOCK NO 4

U.S. Official No. 976493

Not yet on Master's Mate

Type

Industrial Vessel

Flag

USA

Length

67.7 m

Beam

24.7 m

Draft

2.4 m

First reported

Jun 2026

AIS reports

DRY DOCK NO 4, an American cargo vessel, measures 67.7 metres on deck. Below, she has a beam of 24.7 m and a draft measuring 2.4 metres. On the registers she's U.S. official number 976493. DRY DOCK NO 4 is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.

Free forever · No credit card · for commercial operators

Eyes on DRY DOCK NO 4, 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 DRY DOCK NO 4 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 DRY DOCK NO 4 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 DRY DOCK NO 4 and switch it all on

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

Claim free → unlock everything

About DRY DOCK NO 4

What kind of vessel is DRY DOCK NO 4?

DRY DOCK NO 4 is a Industrial Vessel flagged to United States of America.

What is DRY DOCK NO 4's U.S. Official No.?

DRY DOCK NO 4's U.S. Official No. is 976493.

How big is DRY DOCK NO 4?

DRY DOCK NO 4 is about 67.7 m long, 24.7 m on the beam, drawing 2.4 m.

Is DRY DOCK NO 4 on the Master's Mate Safety Initiative Network?

Not yet. If DRY DOCK NO 4 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).