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.

Research Vessel

BROTHER A

U.S. Official No. 1248072

Not yet on Master's Mate

Type

Research Vessel

Flag

USA

Length

14 m

Beam

4.3 m

Draft

1.5 m

First reported

Jun 2026

AIS reports

BROTHER A is a vessel wearing American colours, 14 metres from stem to stern. She carries a 4.3-metre beam and a 1.5-metre draft. She's on record as U.S. official number 1248072. BROTHER A can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.

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Is BROTHER A 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.

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

Wherever BROTHER A roams, you're never out there alone.

Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.

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

Joining the Safety Initiative Network doesn't just put BROTHER A 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 BROTHER A and switch it all on

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About BROTHER A

What kind of vessel is BROTHER A?

BROTHER A is a Research Vessel flagged to United States of America.

What is BROTHER A's U.S. Official No.?

BROTHER A's U.S. Official No. is 1248072.

How big is BROTHER A?

BROTHER A is about 14 m long, 4.3 m on the beam, drawing 1.5 m.

Is BROTHER A on the Master's Mate Safety Initiative Network?

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