Sign up free Dashboard Log out
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.
Freight Barge

WEEKS 4

U.S. Official No. 543066

Not yet on Master's Mate
Type
Freight Barge
Flag
USAUSA
Length
30.5 m
Beam
12.2 m
Draft
2.7 m
First reported
Jun 2026
AIS reports
1

WEEKS 4, a barge on the the United States registry, measures 30.5 metres on deck. WEEKS 4 has a 12.2 m beam and a 2.7 m draft. Her registration reads U.S. official number 543066. Bring WEEKS 4 aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.

Free forever · No credit card · for commercial operators

Eyes on WEEKS 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 WEEKS 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 WEEKS 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 WEEKS 4 and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About WEEKS 4

What kind of vessel is WEEKS 4?
WEEKS 4 is a Freight Barge flagged to United States of America.
What is WEEKS 4's U.S. Official No.?
WEEKS 4's U.S. Official No. is 543066.
How big is WEEKS 4?
WEEKS 4 is about 30.5 m long, 12.2 m on the beam, drawing 2.7 m.
Is WEEKS 4 on the Master's Mate Safety Initiative Network?
Not yet. If WEEKS 4 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

© 2026 Master’s Mate. All rights reserved.