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
Olympic Intervention IV
MMSI 257294000
Not yet on Master's MateFlag
NORLength
95 m
IMO
9396854
AIS reports
2
Olympic Intervention IV flies the Norwegian flag — a 95-metre boat. Her papers read MMSI 257294000, IMO 9396854. Add Olympic Intervention IV to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card
Is Olympic Intervention IV 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 Olympic Intervention IV 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 Olympic Intervention IV 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 Olympic Intervention IV and switch it all on
Free to join · nothing to install to start · cancel anytime
About Olympic Intervention IV
What kind of vessel is Olympic Intervention IV?
Olympic Intervention IV is a vessel flagged to Norway.
What is Olympic Intervention IV's MMSI?
Olympic Intervention IV's MMSI is 257294000. IMO 9396854.
How big is Olympic Intervention IV?
Olympic Intervention IV is about 95 m long.
Is Olympic Intervention IV on the Master's Mate Safety Initiative Network?
Not yet. If Olympic Intervention IV is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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