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.

UNSPECIFIED

DIAMOND M OFFSHORE ST 64

U.S. Official No. 256366

Not yet on Master's Mate

Type

UNSPECIFIED

Flag

USA

Length

95 m

Beam

15.2 m

Draft

6.6 m

First reported

Jun 2026

AIS reports

DIAMOND M OFFSHORE ST 64 flies the American flag — a 95-metre vessel. She's built with a beam of 15.2 m and a 6.6-metre draft. She's listed under U.S. official number 256366. Put DIAMOND M OFFSHORE ST 64 on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.

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Is DIAMOND M OFFSHORE ST 64 your boat?

Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.

Claim this boat — free →

Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Wherever DIAMOND M OFFSHORE ST 64 roams, 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

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

Joining the Safety Initiative Network doesn't just put DIAMOND M OFFSHORE ST 64 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.

Claim DIAMOND M OFFSHORE ST 64 and switch it all on

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About DIAMOND M OFFSHORE ST 64

What kind of vessel is DIAMOND M OFFSHORE ST 64?

DIAMOND M OFFSHORE ST 64 is a UNSPECIFIED flagged to United States of America.

What is DIAMOND M OFFSHORE ST 64's U.S. Official No.?

DIAMOND M OFFSHORE ST 64's U.S. Official No. is 256366.

How big is DIAMOND M OFFSHORE ST 64?

DIAMOND M OFFSHORE ST 64 is about 95 m long, 15.2 m on the beam, drawing 6.6 m.

Is DIAMOND M OFFSHORE ST 64 on the Master's Mate Safety Initiative Network?

Not yet. If DIAMOND M OFFSHORE ST 64 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).