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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.
Tank Barge

CHEM 401

U.S. Official No. 986937

Not yet on Master's Mate
Type
Tank Barge
Flag
USAUSA
Length
45.7 m
Beam
16.5 m
Draft
3.7 m
First reported
Jun 2026
AIS reports
1

Registered in the United States, CHEM 401 is a 45.7-metre tank vessel. Below, she has a 16.5-metre beam and a draft measuring 3.7 metres. Find her under U.S. official number 986937. CHEM 401 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 CHEM 401, 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 CHEM 401 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 CHEM 401 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 CHEM 401 and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About CHEM 401

What kind of vessel is CHEM 401?
CHEM 401 is a Tank Barge flagged to United States of America.
What is CHEM 401's U.S. Official No.?
CHEM 401's U.S. Official No. is 986937.
How big is CHEM 401?
CHEM 401 is about 45.7 m long, 16.5 m on the beam, drawing 3.7 m.
Is CHEM 401 on the Master's Mate Safety Initiative Network?
Not yet. If CHEM 401 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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