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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

Whidbey

MMSI 367028060 · Call sign WDC4648

Not yet on Master's Mate
Type
Towing Vessel
Flag
USAUSA
Length
12.8 m
Beam
4.9 m
Draft
2.1 m
Call sign
WDC4648
Official No.
941367
AIS reports
1

Registered in the United States, Whidbey is a 12.8-metre working vessel. Her hull carries a 4.9 m beam and a draft measuring 2.1 metres. She's listed under MMSI 367028060, call sign WDC4648. Whidbey can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.

Free forever · No credit card · for working boats

Built for boats that work — like Whidbey.

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 Whidbey 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 Whidbey 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 Whidbey and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About Whidbey

What kind of vessel is Whidbey?
Whidbey is a Towing Vessel flagged to United States of America.
What is Whidbey's MMSI?
Whidbey's MMSI is 367028060. Call sign WDC4648.
How big is Whidbey?
Whidbey is about 12.8 m long, 4.9 m on the beam, drawing 2.1 m.
Is Whidbey on the Master's Mate Safety Initiative Network?
Not yet. If Whidbey is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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