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)

Crystal Dolphin

MMSI 367008290 · Call sign WDH9103

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

21.6 m

Beam

7.3 m

Draft

2.6 m

Call sign

WDH9103

Official No.

963568

AIS reports

Crystal Dolphin is an excursion vessel flying the flag of the United States, 21.6 metres from stem to stern. She's built with a beam of 7.3 m and a 2.6-metre draft. She's on record as MMSI 367008290, call sign WDH9103. Claim Crystal Dolphin free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

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

Keep every soul aboard Crystal Dolphin 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 Crystal Dolphin 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 Crystal Dolphin 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 Crystal Dolphin and switch it all on

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

Claim free → unlock everything

About Crystal Dolphin

What kind of vessel is Crystal Dolphin?

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

What is Crystal Dolphin's MMSI?

Crystal Dolphin's MMSI is 367008290. Call sign WDH9103.

How big is Crystal Dolphin?

Crystal Dolphin is about 21.6 m long, 7.3 m on the beam, drawing 2.6 m.

Is Crystal Dolphin on the Master's Mate Safety Initiative Network?

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