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.

Commercial Fishing Vessel

John Mary II

MMSI 366816630 · Call sign WDA5114

Not yet on Master's Mate

Type

Commercial Fishing Vessel

Flag

USA

Length

25.8 m

Beam

7.6 m

Draft

3.7 m

Call sign

WDA5114

IMO

8969769

Official No.

1113114

AIS reports

John Mary II is an offshore fishing boat listed on the the United States registry, measuring 25.8 metres. She carries a 7.6-metre beam and a 3.7 m draft. On the registers she's MMSI 366816630, call sign WDA5114, IMO 8969769. John Mary II 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 captains

Know where the fleet is. Get John Mary II home safe.

Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.

Keep the fleet in sight — free →

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

Wherever John Mary II 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 captains

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

Joining the Safety Initiative Network doesn't just put John Mary II 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.

Weather & Routing

GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.

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.

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 Mary II and switch it all on

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About John Mary II

What kind of vessel is John Mary II?

John Mary II is a Commercial Fishing Vessel flagged to United States of America.

What is John Mary II's MMSI?

John Mary II's MMSI is 366816630. Call sign WDA5114. IMO 8969769.

How big is John Mary II?

John Mary II is about 25.8 m long, 7.6 m on the beam, drawing 3.7 m.

Is John Mary II on the Master's Mate Safety Initiative Network?

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