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.
Offshore Supply Vessel
Manresa
MMSI 367154280 · Call sign WDD5143
Not yet on Master's MateType
Offshore Supply Vessel
Flag
USALength
39.8 m
Beam
11 m
Draft
3.7 m
Call sign
WDD5143
IMO
9089607
Official No.
1191733
AIS reports
1
Manresa, an American work boat, measures 39.8 metres on deck. She has a 11-metre beam and a draft measuring 3.7 metres. She broadcasts as MMSI 367154280, call sign WDD5143, IMO 9089607. Sign Manresa up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card · for working boats
Built for boats that work — like Manresa.
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 Manresa 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 Manresa 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 Manresa and switch it all on
Free to join · nothing to install to start · cancel anytime
About Manresa
What kind of vessel is Manresa?
Manresa is a Offshore Supply Vessel flagged to United States of America.
What is Manresa's MMSI?
Manresa's MMSI is 367154280. Call sign WDD5143. IMO 9089607.
How big is Manresa?
Manresa is about 39.8 m long, 11 m on the beam, drawing 3.7 m.
Is Manresa on the Master's Mate Safety Initiative Network?
Not yet. If Manresa is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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