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
Harvey Champion
MMSI 366840000 · Call sign KHCW
Not yet on Master's MateType
Offshore Supply Vessel
Flag
USALength
89 m
Beam
19.5 m
Draft
7.5 m
Call sign
KHCW
IMO
9581289
Official No.
1054611
AIS reports
4
Harvey Champion, a working craft flagged in the United States, measures 89 metres on deck. Her hull carries a beam of 19.5 m and a draft of 7.5 m. She's listed under MMSI 366840000, call sign KHCW, IMO 9581289. Claim Harvey Champion free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for working boats
Built for boats that work — like Harvey Champion.
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 Harvey Champion 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 Harvey Champion 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 Harvey Champion and switch it all on
Free to join · nothing to install to start · cancel anytime
About Harvey Champion
What kind of vessel is Harvey Champion?
Harvey Champion is a Offshore Supply Vessel flagged to United States of America.
What is Harvey Champion's MMSI?
Harvey Champion's MMSI is 366840000. Call sign KHCW. IMO 9581289.
How big is Harvey Champion?
Harvey Champion is about 89 m long, 19.5 m on the beam, drawing 7.5 m.
Is Harvey Champion on the Master's Mate Safety Initiative Network?
Not yet. If Harvey Champion is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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