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.

Unknown

MARY O

U.S. Official No. 514906

Not yet on Master's Mate

Type

Unknown

Flag

USA

Length

8.8 m

Beam

3.4 m

Draft

1.3 m

First reported

Jun 2026

AIS reports

MARY O, a vessel registered in the United States, measures 8.8 metres on deck. She carries a beam measuring 3.4 metres and a 1.3-metre draft. She's on record as U.S. official number 514906. Claim MARY O free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

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

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.

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.

Onboard Cameras

Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.

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.

Hail Any Captain

A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.

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About MARY O

What kind of vessel is MARY O?

MARY O is a Unknown flagged to United States of America.

What is MARY O's U.S. Official No.?

MARY O's U.S. Official No. is 514906.

How big is MARY O?

MARY O is about 8.8 m long, 3.4 m on the beam, drawing 1.3 m.

Is MARY O on the Master's Mate Safety Initiative Network?

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