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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.
Towing Vessel

Pro Assist III

MMSI 367555530 · Call sign WDG5696

Not yet on Master's Mate
Type
Towing Vessel
Flag
USAUSA
Length
33.9 m
Beam
8.4 m
Draft
3.3 m
Call sign
WDG5696
IMO
8644395
Official No.
257007
AIS reports
1

Registered in the United States, Pro Assist III is a 33.9-metre service vessel. She carries a beam measuring 8.4 metres and a 3.3 m draft. Officially she's MMSI 367555530, call sign WDG5696, IMO 8644395. Join Pro Assist III to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.

Free forever · No credit card · for working boats

Built for boats that work — like Pro Assist III.

Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.

Rig her out — free →

Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever Pro Assist III 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 working boats

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put Pro Assist III on the map. It hands you the full bridge:

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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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 Pro Assist III and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About Pro Assist III

What kind of vessel is Pro Assist III?
Pro Assist III is a Towing Vessel flagged to United States of America.
What is Pro Assist III's MMSI?
Pro Assist III's MMSI is 367555530. Call sign WDG5696. IMO 8644395.
How big is Pro Assist III?
Pro Assist III is about 33.9 m long, 8.4 m on the beam, drawing 3.3 m.
Is Pro Assist III on the Master's Mate Safety Initiative Network?
Not yet. If Pro Assist III is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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