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.
Recreational
Not That Guy
MMSI 368287990 · Call sign WDN5211
Not yet on Master's MateType
Recreational
Flag
USALength
9.2 m
Beam
2.6 m
Draft
2.1 m
Call sign
WDN5211
Official No.
627589
AIS reports
1
Not That Guy is an American cruising boat, 9.2 metres overall. Not That Guy has 2.6 metres in the beam and a 2.1-metre draft. Officially she's MMSI 368287990, call sign WDN5211. Add Not That Guy to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for recreational captains
Keep Not That Guy looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Not That Guy 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 recreational captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Not That Guy on the map. It hands you the full bridge:
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim Not That Guy and switch it all on
Free to join · nothing to install to start · cancel anytime
About Not That Guy
What kind of vessel is Not That Guy?
Not That Guy is a Recreational flagged to United States of America.
What is Not That Guy's MMSI?
Not That Guy's MMSI is 368287990. Call sign WDN5211.
How big is Not That Guy?
Not That Guy is about 9.2 m long, 2.6 m on the beam, drawing 2.1 m.
Is Not That Guy on the Master's Mate Safety Initiative Network?
Not yet. If Not That Guy is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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