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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.
Offshore Supply Vessel

C-Empress

MMSI 366908000 · Call sign WCY2841

Not yet on Master's Mate
Type
Offshore Supply Vessel
Flag
USAUSA
Length
73 m
Beam
17.1 m
Draft
6.4 m
Call sign
WCY2841
IMO
9203825
Official No.
1064451
AIS reports
3

C-Empress flies the American flag — a 73-metre working vessel. Below, she has a 17.1-metre beam and a draft measuring 6.4 metres. On AIS she shows as MMSI 366908000, call sign WCY2841, IMO 9203825. There's a place for C-Empress on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.

Free forever · No credit card · for working boats

Built for boats that work — like C-Empress.

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 C-Empress 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 C-Empress 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 C-Empress and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About C-Empress

What kind of vessel is C-Empress?
C-Empress is a Offshore Supply Vessel flagged to United States of America.
What is C-Empress's MMSI?
C-Empress's MMSI is 366908000. Call sign WCY2841. IMO 9203825.
How big is C-Empress?
C-Empress is about 73 m long, 17.1 m on the beam, drawing 6.4 m.
Is C-Empress on the Master's Mate Safety Initiative Network?
Not yet. If C-Empress is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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