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.

Vessel

OTSL ATHENA

Liberia · last seen 23°S 43°W · Jun 2026 · MMSI 636019706 · Call sign D5VT6

Not yet on Master's Mate

Flag

LBR

Length

289 m

Beam

45 m

Draft

18.3 m

Call sign

D5VT6

IMO

9347188

First reported

Jun 2026

Last reported

Jun 2026

AIS reports

A Liberian boat, OTSL ATHENA measures 289 metres. She's built with a beam of 45 m and a 18.3-metre draft. Find her under MMSI 636019706, call sign D5VT6, IMO 9347188. Give OTSL ATHENA the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.

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Live AIS position · Jun 15, 2026 17:30 UTC

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Position

23.3079° S, 43.2293° W

Status

Under way (engine)

Speed

10.3 kn

Course

101°

Destination

SINGAPORE

ETA

07-21 02:00 UTC

Wherever OTSL ATHENA roams, you're never out there alone.

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Joining the Safety Initiative Network doesn't just put OTSL ATHENA 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 OTSL ATHENA

What kind of vessel is OTSL ATHENA?

OTSL ATHENA is a vessel flagged to Liberia.

Where was OTSL ATHENA last seen?

OTSL ATHENA was last reported in around 23°S 43°W in Jun 2026 on public AIS.

What is OTSL ATHENA's MMSI?

OTSL ATHENA's MMSI is 636019706. Call sign D5VT6. IMO 9347188.

How big is OTSL ATHENA?

OTSL ATHENA is about 289 m long, 45 m on the beam, drawing 18.3 m.

Is OTSL ATHENA on the Master's Mate Safety Initiative Network?

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