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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.
Industrial Vessel

Dolphin III

MMSI 367175640 · Call sign WDD6640

Not yet on Master's Mate
Type
Industrial Vessel
Flag
USAUSA
Length
12.4 m
Beam
4.6 m
Draft
2.2 m
Call sign
WDD6640
Official No.
649277
AIS reports
1

Dolphin III flies the American flag — a 12.4-metre cargo vessel. Her hull carries a 4.6 m beam and a draft of 2.2 m. She's on record as MMSI 367175640, call sign WDD6640. Big or small, every hull benefits from the free Master's Mate Safety Initiative Network — Dolphin III included.

Free forever · No credit card · for commercial operators

Eyes on Dolphin III, around the clock.

Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.

Put her on the dashboard — free →

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

Wherever Dolphin 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 commercial operators

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

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

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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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 Dolphin III and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About Dolphin III

What kind of vessel is Dolphin III?
Dolphin III is a Industrial Vessel flagged to United States of America.
What is Dolphin III's MMSI?
Dolphin III's MMSI is 367175640. Call sign WDD6640.
How big is Dolphin III?
Dolphin III is about 12.4 m long, 4.6 m on the beam, drawing 2.2 m.
Is Dolphin III on the Master's Mate Safety Initiative Network?
Not yet. If Dolphin III is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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