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
DBL 103
MMSI 368237920 · Call sign WDM7856
Not yet on Master's MateType
Tank Barge
Flag
USALength
116.2 m
Beam
22.6 m
Draft
7.6 m
Call sign
WDM7856
IMO
9347700
Official No.
1170633
AIS reports
1
Out of the United States, DBL 103 is an 116.2-metre tank vessel. She has a beam measuring 22.6 metres and a draft measuring 7.6 metres. Her registration reads MMSI 368237920, call sign WDM7856, IMO 9347700. DBL 103 belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
Free forever · No credit card · for commercial operators
Eyes on DBL 103, 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 DBL 103 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 DBL 103 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 DBL 103 and switch it all on
Free to join · nothing to install to start · cancel anytime
About DBL 103
What kind of vessel is DBL 103?
DBL 103 is a Tank Barge flagged to United States of America.
What is DBL 103's MMSI?
DBL 103's MMSI is 368237920. Call sign WDM7856. IMO 9347700.
How big is DBL 103?
DBL 103 is about 116.2 m long, 22.6 m on the beam, drawing 7.6 m.
Is DBL 103 on the Master's Mate Safety Initiative Network?
Not yet. If DBL 103 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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