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
Cape Horn
MMSI 367618130 · Call sign WDP8158
Not yet on Master's MateType
Offshore Supply Vessel
Flag
USALength
59.7 m
Beam
14.6 m
Draft
4.9 m
Call sign
WDP8158
IMO
9744611
Official No.
1253342
AIS reports
2
Cape Horn, an American work boat, measures 59.7 metres on deck. Her hull carries a 14.6-metre beam and a draft measuring 4.9 metres. Find her under MMSI 367618130, call sign WDP8158, IMO 9744611. Cape Horn belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
Free forever · No credit card · for working boats
Built for boats that work — like Cape Horn.
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 Cape Horn 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 Cape Horn 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 Cape Horn and switch it all on
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About Cape Horn
What kind of vessel is Cape Horn?
Cape Horn is a Offshore Supply Vessel flagged to United States of America.
What is Cape Horn's MMSI?
Cape Horn's MMSI is 367618130. Call sign WDP8158. IMO 9744611.
How big is Cape Horn?
Cape Horn is about 59.7 m long, 14.6 m on the beam, drawing 4.9 m.
Is Cape Horn on the Master's Mate Safety Initiative Network?
Not yet. If Cape Horn is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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