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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.
Towing Vessel

OSRB-2

MMSI 368033930 · Call sign WDK2265

Not yet on Master's Mate
Type
Towing Vessel
Flag
USAUSA
Length
39.4 m
Beam
16.5 m
Draft
5.6 m
Call sign
WDK2265
IMO
9824227
Official No.
1283124
AIS reports
1

OSRB-2 flies the American flag — a 39.4-metre workboat. She carries a 16.5-metre beam and a 5.6 m draft. Her papers read MMSI 368033930, call sign WDK2265, IMO 9824227. Add OSRB-2 to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.

Free forever · No credit card · for working boats

Built for boats that work — like OSRB-2.

Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.

Rig her out — free →

Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever OSRB-2 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 working boats

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put OSRB-2 on the map. It hands you the full bridge:

Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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 OSRB-2 and switch it all on
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About OSRB-2

What kind of vessel is OSRB-2?
OSRB-2 is a Towing Vessel flagged to United States of America.
What is OSRB-2's MMSI?
OSRB-2's MMSI is 368033930. Call sign WDK2265. IMO 9824227.
How big is OSRB-2?
OSRB-2 is about 39.4 m long, 16.5 m on the beam, drawing 5.6 m.
Is OSRB-2 on the Master's Mate Safety Initiative Network?
Not yet. If OSRB-2 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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