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

Percy Jr.

MMSI 368082260 · Call sign WDK7213

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

7.6 m

Beam

4.3 m

Draft

1.5 m

Call sign

WDK7213

Official No.

1276563

Hull ID

MIF00129L808

AIS reports

Percy Jr. flies the American flag — a 7.6-metre working vessel. Her hull carries a beam of 4.3 m and a draft measuring 1.5 metres. Her papers read MMSI 368082260, call sign WDK7213. Percy Jr. belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.

Free forever · No credit card · for working boats

Built for boats that work — like Percy Jr..

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 Percy Jr. 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 Percy Jr. 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 Percy Jr. and switch it all on

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About Percy Jr.

What kind of vessel is Percy Jr.?

Percy Jr. is a Towing Vessel flagged to United States of America.

What is Percy Jr.'s MMSI?

Percy Jr.'s MMSI is 368082260. Call sign WDK7213.

How big is Percy Jr.?

Percy Jr. is about 7.6 m long, 4.3 m on the beam, drawing 1.5 m.

Is Percy Jr. on the Master's Mate Safety Initiative Network?

Not yet. If Percy Jr. is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).