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 (Uninspected)

KUPANAHA

U.S. Official No. 613686

Not yet on Master's Mate

Type

Passenger (Uninspected)

Flag

USA

Length

10.4 m

Beam

3.7 m

Draft

2 m

First reported

Jun 2026

AIS reports

Registered in the United States, KUPANAHA is a 10.4-metre passenger ship. Below, she has a beam measuring 3.7 metres and a draft measuring 2 metres. On the registers she's U.S. official number 613686. KUPANAHA can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.

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

Keep every soul aboard KUPANAHA 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 KUPANAHA 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 KUPANAHA 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 KUPANAHA and switch it all on

Free to join · nothing to install to start · cancel anytime

Claim free → unlock everything

About KUPANAHA

What kind of vessel is KUPANAHA?

KUPANAHA is a Passenger (Uninspected) flagged to United States of America.

What is KUPANAHA's U.S. Official No.?

KUPANAHA's U.S. Official No. is 613686.

How big is KUPANAHA?

KUPANAHA is about 10.4 m long, 3.7 m on the beam, drawing 2 m.

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

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