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.
Recreational
Makani Koa IV
MMSI 367667490 · Call sign WDH9384
Not yet on Master's MateType
Recreational
Flag
USALength
9.4 m
Beam
3.5 m
Draft
1.8 m
Call sign
WDH9384
Official No.
668021
Hull ID
TDL31015A484
AIS reports
1
Makani Koa IV is an American recreational vessel, 9.4 metres LOA. Below, she has a 3.5-metre beam and a draft of 1.8 m. On the registers she's MMSI 367667490, call sign WDH9384. Makani Koa IV is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
Free forever · No credit card · for recreational captains
Keep Makani Koa IV looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Makani Koa 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 · for recreational captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Makani Koa 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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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 Makani Koa IV and switch it all on
Free to join · nothing to install to start · cancel anytime
About Makani Koa IV
What kind of vessel is Makani Koa IV?
Makani Koa IV is a Recreational flagged to United States of America.
What is Makani Koa IV's MMSI?
Makani Koa IV's MMSI is 367667490. Call sign WDH9384.
How big is Makani Koa IV?
Makani Koa IV is about 9.4 m long, 3.5 m on the beam, drawing 1.8 m.
Is Makani Koa IV on the Master's Mate Safety Initiative Network?
Not yet. If Makani Koa IV is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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