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
My Best Friend
MMSI 368351340 · Call sign WDP4104
Not yet on Master's MateType
Recreational
Flag
USALength
13.9 m
Beam
4.1 m
Draft
1.8 m
Call sign
WDP4104
Official No.
1292721
Hull ID
TYA46009A213
AIS reports
1
Out of the United States, My Best Friend is a 13.9-metre private cruiser. She has 4.1 metres in the beam and a draft measuring 1.8 metres. She's on record as MMSI 368351340, call sign WDP4104. It's free to add My Best Friend 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 recreational captains
Keep My Best Friend 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 My Best Friend 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 My Best Friend 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 My Best Friend and switch it all on
Free to join · nothing to install to start · cancel anytime
About My Best Friend
What kind of vessel is My Best Friend?
My Best Friend is a Recreational flagged to United States of America.
What is My Best Friend's MMSI?
My Best Friend's MMSI is 368351340. Call sign WDP4104.
How big is My Best Friend?
My Best Friend is about 13.9 m long, 4.1 m on the beam, drawing 1.8 m.
Is My Best Friend on the Master's Mate Safety Initiative Network?
Not yet. If My Best Friend is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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