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
WEB 138
U.S. Official No. 1241476
Not yet on Master's MateType
Tank Barge
Flag
USALength
61 m
Beam
10.7 m
Draft
3.8 m
First reported
Jun 2026
AIS reports
1
WEB 138 is a tanker flying the flag of the United States, measuring 61 metres. She carries a 10.7 m beam and a 3.8 m draft. Her registration reads U.S. official number 1241476. WEB 138 can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card · for commercial operators
Eyes on WEB 138, 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 WEB 138 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 WEB 138 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 WEB 138 and switch it all on
Free to join · nothing to install to start · cancel anytime
About WEB 138
What kind of vessel is WEB 138?
WEB 138 is a Tank Barge flagged to United States of America.
What is WEB 138's U.S. Official No.?
WEB 138's U.S. Official No. is 1241476.
How big is WEB 138?
WEB 138 is about 61 m long, 10.7 m on the beam, drawing 3.8 m.
Is WEB 138 on the Master's Mate Safety Initiative Network?
Not yet. If WEB 138 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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