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

JOHN M DONNELLY (JMD)

MMSI 366961420 · Call sign WDL2149

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

56.5 m

Beam

15.2 m

Draft

3 m

Call sign

WDL2149

Official No.

621298

AIS reports

Registered in the United States, JOHN M DONNELLY (JMD) is a 56.5-metre harbour workboat. Below, she has a 15.2-metre beam and a draft of 3 m. She broadcasts as MMSI 366961420, call sign WDL2149. JOHN M DONNELLY (JMD) can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.

Free forever · No credit card · for working boats

Built for boats that work — like JOHN M DONNELLY (JMD).

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 JOHN M DONNELLY (JMD) 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 JOHN M DONNELLY (JMD) 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 JOHN M DONNELLY (JMD) and switch it all on

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About JOHN M DONNELLY (JMD)

What kind of vessel is JOHN M DONNELLY (JMD)?

JOHN M DONNELLY (JMD) is a Towing Vessel flagged to United States of America.

What is JOHN M DONNELLY (JMD)'s MMSI?

JOHN M DONNELLY (JMD)'s MMSI is 366961420. Call sign WDL2149.

How big is JOHN M DONNELLY (JMD)?

JOHN M DONNELLY (JMD) is about 56.5 m long, 15.2 m on the beam, drawing 3 m.

Is JOHN M DONNELLY (JMD) on the Master's Mate Safety Initiative Network?

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