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
TUG ANDREA B
MMSI 367009550 · Call sign WDC3524
Not yet on Master's MateType
Towing Vessel
Flag
USALength
19.8 m
Beam
7.3 m
Draft
1.8 m
Call sign
WDC3524
IMO
8987369
Official No.
1039849
AIS reports
1
TUG ANDREA B is an American harbour workboat — 19.8 metres overall. She has a 7.3-metre beam and a draft of 1.8 m. She's on record as MMSI 367009550, call sign WDC3524, IMO 8987369. TUG ANDREA B 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 working boats
Built for boats that work — like TUG ANDREA B.
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 TUG ANDREA B 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 TUG ANDREA B 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 TUG ANDREA B and switch it all on
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About TUG ANDREA B
What kind of vessel is TUG ANDREA B?
TUG ANDREA B is a Towing Vessel flagged to United States of America.
What is TUG ANDREA B's MMSI?
TUG ANDREA B's MMSI is 367009550. Call sign WDC3524. IMO 8987369.
How big is TUG ANDREA B?
TUG ANDREA B is about 19.8 m long, 7.3 m on the beam, drawing 1.8 m.
Is TUG ANDREA B on the Master's Mate Safety Initiative Network?
Not yet. If TUG ANDREA B is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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