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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 (Uninspected)

Therapy I

MMSI 367741640 · Call sign WDI8738

Not yet on Master's Mate
Type
Passenger (Uninspected)
Flag
USAUSA
Length
11.6 m
Beam
4 m
Draft
2.2 m
Call sign
WDI8738
Official No.
1027439
AIS reports
1

Therapy I is an American 11.6-metre passenger ship. Below, she has a beam measuring 4 metres and a draft measuring 2.2 metres. Her papers read MMSI 367741640, call sign WDI8738. It's free to add Therapy I 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 Therapy I 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 Therapy I 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 Therapy I 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 Therapy I and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About Therapy I

What kind of vessel is Therapy I?
Therapy I is a Passenger (Uninspected) flagged to United States of America.
What is Therapy I's MMSI?
Therapy I's MMSI is 367741640. Call sign WDI8738.
How big is Therapy I?
Therapy I is about 11.6 m long, 4 m on the beam, drawing 2.2 m.
Is Therapy I on the Master's Mate Safety Initiative Network?
Not yet. If Therapy I is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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