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)
Observer
MMSI 368041010 · Call sign WDK3006
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
13.1 m
Beam
3.7 m
Draft
1.3 m
Call sign
WDK3006
Official No.
1286342
Hull ID
NRB40052C818
AIS reports
1
Observer is an American 13.1-metre passenger vessel. She carries a 3.7 m beam and a 1.3 m draft. Find her under MMSI 368041010, call sign WDK3006. Observer is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard Observer 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 Observer 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 Observer 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 Observer and switch it all on
Free to join · nothing to install to start · cancel anytime
About Observer
What kind of vessel is Observer?
Observer is a Passenger (Inspected) flagged to United States of America.
What is Observer's MMSI?
Observer's MMSI is 368041010. Call sign WDK3006.
How big is Observer?
Observer is about 13.1 m long, 3.7 m on the beam, drawing 1.3 m.
Is Observer on the Master's Mate Safety Initiative Network?
Not yet. If Observer is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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