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)

Luna Bay

MMSI 338579000 · Call sign WDK3827

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

8.8 m

Beam

3.7 m

Draft

1.7 m

Call sign

WDK3827

IMO

8964173

Official No.

1070689

Hull ID

FVL31018E616

AIS reports

Luna Bay, a passenger ship on the the United States registry, measures 8.8 metres on deck. Below, she has a beam of 3.7 m and a draft measuring 1.7 metres. Her registration reads MMSI 338579000, call sign WDK3827, IMO 8964173. Luna Bay 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 Luna Bay 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 Luna Bay 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 Luna Bay 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 Luna Bay and switch it all on

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

Claim free → unlock everything

About Luna Bay

What kind of vessel is Luna Bay?

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

What is Luna Bay's MMSI?

Luna Bay's MMSI is 338579000. Call sign WDK3827. IMO 8964173.

How big is Luna Bay?

Luna Bay is about 8.8 m long, 3.7 m on the beam, drawing 1.7 m.

Is Luna Bay on the Master's Mate Safety Initiative Network?

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