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.
Freight Ship
SS Keystone State
MMSI 366565000 · Call sign WCJI
Not yet on Master's MateType
Freight Ship
Flag
USALength
203.8 m
Beam
23.2 m
Draft
13.4 m
Call sign
WCJI
IMO
6605022
Official No.
502569
AIS reports
2
On the American registry, SS Keystone State is a 203.8-metre cargo vessel. She's built with a beam of 23.2 m and a 13.4-metre draft. On AIS she shows as MMSI 366565000, call sign WCJI, IMO 6605022. Join SS Keystone State to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.
Free forever · No credit card · for commercial operators
Eyes on SS Keystone State, 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 SS Keystone State 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 SS Keystone State 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 SS Keystone State and switch it all on
Free to join · nothing to install to start · cancel anytime
About SS Keystone State
What kind of vessel is SS Keystone State?
SS Keystone State is a Freight Ship flagged to United States of America.
What is SS Keystone State's MMSI?
SS Keystone State's MMSI is 366565000. Call sign WCJI. IMO 6605022.
How big is SS Keystone State?
SS Keystone State is about 203.8 m long, 23.2 m on the beam, drawing 13.4 m.
Is SS Keystone State on the Master's Mate Safety Initiative Network?
Not yet. If SS Keystone State is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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