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.
Vessel
Challenge Prime
MMSI 563026300
Not yet on Master's MateFlag
SGPLength
183 m
IMO
9793272
AIS reports
2
Challenge Prime is a Singaporean vessel — 183 metres overall. Find her under MMSI 563026300, IMO 9793272. Challenge Prime belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
Free forever · No credit card
Is Challenge Prime your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Challenge Prime 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Challenge Prime on the map. It hands you the full bridge:
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.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim Challenge Prime and switch it all on
Free to join · nothing to install to start · cancel anytime
About Challenge Prime
What kind of vessel is Challenge Prime?
Challenge Prime is a vessel flagged to Singapore.
What is Challenge Prime's MMSI?
Challenge Prime's MMSI is 563026300. IMO 9793272.
How big is Challenge Prime?
Challenge Prime is about 183 m long.
Is Challenge Prime on the Master's Mate Safety Initiative Network?
Not yet. If Challenge Prime is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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