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.

Passenger (Inspected)

Kaimaka

MMSI 367077380 · Call sign WDC7812

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

16.5 m

Beam

9.1 m

Draft

2.1 m

Call sign

WDC7812

Official No.

1177249

Hull ID

GCY54CDCJ505

AIS reports

Kaimaka, a passenger ferry wearing American colours, measures 16.5 metres on deck. She has a beam measuring 9.1 metres and a draft of 2.1 m. She's on record as MMSI 367077380, call sign WDC7812. Join Kaimaka to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.

Free forever · No credit card · for passenger & charter operators

Keep every soul aboard Kaimaka safe.

Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.

Switch on the safety stack — free →

Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever Kaimaka 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 passenger & charter operators

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put Kaimaka on the map. It hands you the full bridge:

Distress Mesh

Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.

Live AIS & Traffic

See every vessel around you in real time. Closest-approach warnings before they matter.

Systems Monitoring

Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.

Weather & Routing

GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.

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 Kaimaka and switch it all on

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Claim free → unlock everything

About Kaimaka

What kind of vessel is Kaimaka?

Kaimaka is a Passenger (Inspected) flagged to United States of America.

What is Kaimaka's MMSI?

Kaimaka's MMSI is 367077380. Call sign WDC7812.

How big is Kaimaka?

Kaimaka is about 16.5 m long, 9.1 m on the beam, drawing 2.1 m.

Is Kaimaka on the Master's Mate Safety Initiative Network?

Not yet. If Kaimaka is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).