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.

Tanker

THE CHIEF

Tanker · last seen 41°N 71°W · Jun 2026 · MMSI 538005036 · Call sign V7AO4

Not yet on Master's Mate

Type

Tanker

Length

133 m

Beam

23 m

Draft

9 m

Call sign

V7AO4

IMO

9492361

First reported

Jun 2026

Last reported

Jun 2026

AIS reports

THE CHIEF is a 133-metre tank ship. Her hull carries a 23 m beam and a draft of 9 m. Look for MMSI 538005036, call sign V7AO4, IMO 9492361. It's free to add THE CHIEF to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.

Photos of THE CHIEF

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

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Live AIS position · Jun 16, 2026 18:15 UTC

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Position

41.0071° N, 71.3791° W

Status

Under way (engine)

Speed

8.9 kn

Course

7°

Destination

FOR ORDER

ETA

06-16 12:00 UTC

Transiting off the U.S. East Coast? You're never out there alone.

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Joining the Safety Initiative Network doesn't just put THE CHIEF 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 THE CHIEF

What kind of vessel is THE CHIEF?

THE CHIEF is a Tanker.

Where was THE CHIEF last seen?

THE CHIEF was last reported in off the U.S. East Coast in Jun 2026 on public AIS.

What is THE CHIEF's MMSI?

THE CHIEF's MMSI is 538005036. Call sign V7AO4. IMO 9492361.

How big is THE CHIEF?

THE CHIEF is about 133 m long, 23 m on the beam, drawing 9 m.

Is THE CHIEF on the Master's Mate Safety Initiative Network?

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