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)
Chamonix II
MMSI 367039870 · Call sign WDC5356
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
21.3 m
Beam
9.4 m
Draft
2.3 m
Call sign
WDC5356
Official No.
1164059
Hull ID
GCY70CDCK404
AIS reports
1
An American excursion vessel, Chamonix II measures 21.3 metres. Chamonix II has 9.4 metres in the beam and a 2.3-metre draft. Her registration reads MMSI 367039870, call sign WDC5356. It's free to add Chamonix II to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard Chamonix 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 Chamonix 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 Chamonix 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 Chamonix II and switch it all on
Free to join · nothing to install to start · cancel anytime
About Chamonix II
What kind of vessel is Chamonix II?
Chamonix II is a Passenger (Inspected) flagged to United States of America.
What is Chamonix II's MMSI?
Chamonix II's MMSI is 367039870. Call sign WDC5356.
How big is Chamonix II?
Chamonix II is about 21.3 m long, 9.4 m on the beam, drawing 2.3 m.
Is Chamonix II on the Master's Mate Safety Initiative Network?
Not yet. If Chamonix II is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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