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.
Tank Ship
DUCHESS
MMSI 366505000 · Call sign KRCJ
Not yet on Master's MateType
Tank Ship
Flag
USALength
204.8 m
Beam
27.1 m
Draft
14.5 m
Call sign
KRCJ
IMO
7047435
Official No.
533611
AIS reports
1
DUCHESS, a tank ship on the the United States registry, measures 204.8 metres on deck. Her hull carries a 27.1-metre beam and a draft measuring 14.5 metres. On the registers she's MMSI 366505000, call sign KRCJ, IMO 7047435. DUCHESS is welcome on the Master's Mate Safety Initiative Network — free situational awareness and a watch network shared by vessels of every size.
Free forever · No credit card · for commercial operators
Eyes on DUCHESS, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever DUCHESS 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put DUCHESS on the map. It hands you the full bridge:
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
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 DUCHESS and switch it all on
Free to join · nothing to install to start · cancel anytime
About DUCHESS
What kind of vessel is DUCHESS?
DUCHESS is a Tank Ship flagged to United States of America.
What is DUCHESS's MMSI?
DUCHESS's MMSI is 366505000. Call sign KRCJ. IMO 7047435.
How big is DUCHESS?
DUCHESS is about 204.8 m long, 27.1 m on the beam, drawing 14.5 m.
Is DUCHESS on the Master's Mate Safety Initiative Network?
Not yet. If DUCHESS is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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