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
GCS 238
MMSI 367128870 · Call sign WDD3318
Not yet on Master's MateType
Tank Barge
Flag
USALength
87 m
Beam
19.5 m
Draft
6.4 m
Call sign
WDD3318
IMO
1519814
Official No.
1170370
AIS reports
1
On the American registry, GCS 238 is an 87-metre tanker. Below, she has a 19.5 m beam and a draft of 6.4 m. Officially she's MMSI 367128870, call sign WDD3318, IMO 1519814. Bring GCS 238 aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for commercial operators
Eyes on GCS 238, 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 GCS 238 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 GCS 238 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 GCS 238 and switch it all on
Free to join · nothing to install to start · cancel anytime
About GCS 238
What kind of vessel is GCS 238?
GCS 238 is a Tank Barge flagged to United States of America.
What is GCS 238's MMSI?
GCS 238's MMSI is 367128870. Call sign WDD3318. IMO 1519814.
How big is GCS 238?
GCS 238 is about 87 m long, 19.5 m on the beam, drawing 6.4 m.
Is GCS 238 on the Master's Mate Safety Initiative Network?
Not yet. If GCS 238 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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