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 II
MMSI 367430660 · Call sign WDF2680
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
29.7 m
Beam
8.3 m
Draft
3.3 m
Call sign
WDF2680
Official No.
1178579
Hull ID
DSL00011A505
AIS reports
1
Crystal II, a passenger ship wearing American colours, measures 29.7 metres on deck. She has a beam measuring 8.3 metres and a draft measuring 3.3 metres. On AIS she appears as MMSI 367430660, call sign WDF2680. Bring Crystal II aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard Crystal II 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 II 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 II 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 II and switch it all on
Free to join · nothing to install to start · cancel anytime
About Crystal II
What kind of vessel is Crystal II?
Crystal II is a Passenger (Inspected) flagged to United States of America.
What is Crystal II's MMSI?
Crystal II's MMSI is 367430660. Call sign WDF2680.
How big is Crystal II?
Crystal II is about 29.7 m long, 8.3 m on the beam, drawing 3.3 m.
Is Crystal II on the Master's Mate Safety Initiative Network?
Not yet. If Crystal II is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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