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
Cecilia B Slatten
MMSI 367007110 · Call sign WDC3386
Not yet on Master's MateType
Towing Vessel
Flag
USALength
29.3 m
Beam
11.6 m
Draft
5 m
Call sign
WDC3386
IMO
8964757
Official No.
1079043
AIS reports
1
Cecilia B Slatten, a workboat flying the flag of the United States, measures 29.3 metres on deck. She carries a 11.6-metre beam and a 5 m draft. She's on record as MMSI 367007110, call sign WDC3386, IMO 8964757. Cecilia B Slatten earns her keep on the water; the free Master's Mate Safety Initiative Network keeps a watching fleet and a distress mesh close at hand.
Free forever · No credit card · for working boats
Built for boats that work — like Cecilia B Slatten.
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 Cecilia B Slatten 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 Cecilia B Slatten 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 Cecilia B Slatten and switch it all on
Free to join · nothing to install to start · cancel anytime
About Cecilia B Slatten
What kind of vessel is Cecilia B Slatten?
Cecilia B Slatten is a Towing Vessel flagged to United States of America.
What is Cecilia B Slatten's MMSI?
Cecilia B Slatten's MMSI is 367007110. Call sign WDC3386. IMO 8964757.
How big is Cecilia B Slatten?
Cecilia B Slatten is about 29.3 m long, 11.6 m on the beam, drawing 5 m.
Is Cecilia B Slatten on the Master's Mate Safety Initiative Network?
Not yet. If Cecilia B Slatten is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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