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
JFB 4132
MMSI 368373030 · Call sign WDP6477
Not yet on Master's MateType
Freight Barge
Flag
USALength
43.9 m
Beam
16.5 m
Draft
3 m
Call sign
WDP6477
Official No.
1174136
AIS reports
1
JFB 4132 is an American 43.9-metre barge. She has 16.5 metres in the beam and a draft of 3 m. Officially she's MMSI 368373030, call sign WDP6477. JFB 4132 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 JFB 4132, 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 JFB 4132 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 JFB 4132 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 JFB 4132 and switch it all on
Free to join · nothing to install to start · cancel anytime
About JFB 4132
What kind of vessel is JFB 4132?
JFB 4132 is a Freight Barge flagged to United States of America.
What is JFB 4132's MMSI?
JFB 4132's MMSI is 368373030. Call sign WDP6477.
How big is JFB 4132?
JFB 4132 is about 43.9 m long, 16.5 m on the beam, drawing 3 m.
Is JFB 4132 on the Master's Mate Safety Initiative Network?
Not yet. If JFB 4132 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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