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
RTC 150
U.S. Official No. 1139735
Not yet on Master's MateType
Tank Barge
Flag
USALength
139.8 m
Beam
22.1 m
Draft
12.5 m
First reported
Jun 2026
AIS reports
1
RTC 150, a tank ship under the American flag, measures 139.8 metres on deck. Below, she has a beam of 22.1 m and a draft of 12.5 m. Officially she's U.S. official number 1139735. Put RTC 150 on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card · for commercial operators
Eyes on RTC 150, 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 RTC 150 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 RTC 150 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 RTC 150 and switch it all on
Free to join · nothing to install to start · cancel anytime
About RTC 150
What kind of vessel is RTC 150?
RTC 150 is a Tank Barge flagged to United States of America.
What is RTC 150's U.S. Official No.?
RTC 150's U.S. Official No. is 1139735.
How big is RTC 150?
RTC 150 is about 139.8 m long, 22.1 m on the beam, drawing 12.5 m.
Is RTC 150 on the Master's Mate Safety Initiative Network?
Not yet. If RTC 150 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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