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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.

Cargo

CONTRIVIA

MMSI 538009632 · Call sign V7A4978

Not yet on Master's Mate

Type

Cargo

Flag

MHL

Length

143 m

Beam

23 m

Draft

7 m

Call sign

V7A4978

IMO

9907407

First reported

Jun 2026

Last reported

Jun 2026

AIS reports

CONTRIVIA is a merchant ship on the the Marshall Islands registry, 143 metres on deck. Her hull carries 23 metres in the beam and a draft measuring 7 metres. She's listed under MMSI 538009632, call sign V7A4978, IMO 9907407. CONTRIVIA is welcome on the Master's Mate Safety Initiative Network — free situational awareness and a watch network shared by vessels of every size.

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Eyes on CONTRIVIA, around the clock.

Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.

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Last known position · Jun 3, 2026

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Position

35.3948° N, 139.7091° E

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

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Joining the Safety Initiative Network doesn't just put CONTRIVIA 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.

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.

Worldwide Charts

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

Weather & Routing

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

Anchor Watch

GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.

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.

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About CONTRIVIA

What kind of vessel is CONTRIVIA?

CONTRIVIA is a Cargo flagged to Marshall Islands.

Where was CONTRIVIA last seen?

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

What is CONTRIVIA's MMSI?

CONTRIVIA's MMSI is 538009632. Call sign V7A4978. IMO 9907407.

How big is CONTRIVIA?

CONTRIVIA is about 143 m long, 23 m on the beam, drawing 7 m.

Is CONTRIVIA on the Master's Mate Safety Initiative Network?

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