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.

Sailing

S/V UNATHI

MMSI 368425520 · Call sign WDQ4439

Not yet on Master's Mate

Type

Sailing

Flag

USA

Length

13 m

Beam

8 m

Draft

1.3 m

Call sign

WDQ4439

Official No.

1358131

Hull ID

XOH48230H525

First reported

May 2026

Last reported

May 2026

AIS reports

On the American registry, S/V UNATHI is a 13-metre sailboat. Her hull carries a beam measuring 8 metres and a draft of 1.3 m. On AIS she appears as MMSI 368425520, call sign WDQ4439. For a cruising boat like S/V UNATHI, the free Master's Mate Safety Initiative Network is real peace of mind — anchor-drag alarms, weather routing, and cruisers who watch each other's backs.

Free forever · No credit card · for cruisers

Sleep easy on the hook aboard S/V UNATHI.

GPS-precise anchor-drag alarms, ETA-calibrated weather routing, worldwide charts, and cruisers watching each other’s backs.

Set her anchor watch — free →

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Last known position · May 15, 2026

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Position

14.4888° N, 61.0831° W

Sailing the Caribbean? 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 cruisers

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

Joining the Safety Initiative Network doesn't just put S/V UNATHI 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.

Weather & Routing

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

Worldwide Charts

Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.

Hail Any Captain

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

Distress Mesh

Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.

Live AIS & Traffic

See every vessel around you in real time. Closest-approach warnings before they matter.

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.

Claim S/V UNATHI and switch it all on

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About S/V UNATHI

What kind of vessel is S/V UNATHI?

S/V UNATHI is a Sailing flagged to United States of America.

Where was S/V UNATHI last seen?

S/V UNATHI was last reported in the Caribbean in May 2026 on public AIS.

What is S/V UNATHI's MMSI?

S/V UNATHI's MMSI is 368425520. Call sign WDQ4439.

How big is S/V UNATHI?

S/V UNATHI is about 13 m long, 8 m on the beam, drawing 1.3 m.

Is S/V UNATHI on the Master's Mate Safety Initiative Network?

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