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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

NWM 900

U.S. Official No. 541306

Not yet on Master's Mate
Type
Tank Barge
Flag
USAUSA
Length
30.5 m
Beam
15.9 m
Draft
3.5 m
First reported
Jun 2026
AIS reports
1

NWM 900 flies the American flag — a 30.5-metre tank ship. Her hull carries 15.9 metres in the beam and a draft of 3.5 m. Her papers read U.S. official number 541306. Give NWM 900 the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.

Free forever · No credit card · for commercial operators

Eyes on NWM 900, 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 NWM 900 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 NWM 900 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 NWM 900 and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About NWM 900

What kind of vessel is NWM 900?
NWM 900 is a Tank Barge flagged to United States of America.
What is NWM 900's U.S. Official No.?
NWM 900's U.S. Official No. is 541306.
How big is NWM 900?
NWM 900 is about 30.5 m long, 15.9 m on the beam, drawing 3.5 m.
Is NWM 900 on the Master's Mate Safety Initiative Network?
Not yet. If NWM 900 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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