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

SOUTHERN CROSS

last seen 35°N 135°E · Jun 2026 · MMSI 431000334 · Call sign JD2500

Not yet on Master's Mate

Length

69 m

Beam

12 m

Draft

3.5 m

Call sign

JD2500

IMO

9447380

First reported

Jun 2026

Last reported

Jun 2026

AIS reports

SOUTHERN CROSS is a vessel, 69 metres in length. She's built with a beam of 12 m and a 3.5 m draft. Look for MMSI 431000334, call sign JD2500, IMO 9447380. Sign SOUTHERN CROSS up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.

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Live AIS position · Jun 15, 2026 15:51 UTC

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Position

34.5867° N, 135.4501° E

Status

Under way (engine)

Speed

0.0 kn

Course

29°

Destination

JP SBK OFF /2 6GO

ETA

06-14 15:30 UTC

Crossing the Sea of Japan? You're never out there alone.

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Joining the Safety Initiative Network doesn't just put SOUTHERN CROSS 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 SOUTHERN CROSS

What kind of vessel is SOUTHERN CROSS?

SOUTHERN CROSS is a vessel.

Where was SOUTHERN CROSS last seen?

SOUTHERN CROSS was last reported in the Sea of Japan in Jun 2026 on public AIS.

What is SOUTHERN CROSS's MMSI?

SOUTHERN CROSS's MMSI is 431000334. Call sign JD2500. IMO 9447380.

How big is SOUTHERN CROSS?

SOUTHERN CROSS is about 69 m long, 12 m on the beam, drawing 3.5 m.

Is SOUTHERN CROSS on the Master's Mate Safety Initiative Network?

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