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.

Passenger (Uninspected)

3 M NO.1

U.S. Official No. 263434

Not yet on Master's Mate

Type

Passenger (Uninspected)

Flag

USA

Length

15.1 m

Beam

5.3 m

Draft

1.4 m

First reported

Jun 2026

AIS reports

3 M NO.1 is an American passenger craft, spanning 15.1 metres. Below, she has a beam measuring 5.3 metres and a draft measuring 1.4 metres. Find her under U.S. official number 263434. There's a place for 3 M NO.1 on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.

Free forever · No credit card · for passenger & charter operators

Keep every soul aboard 3 M NO.1 safe.

Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.

Switch on the safety stack — free →

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

Wherever 3 M NO.1 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 · for passenger & charter operators

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

Joining the Safety Initiative Network doesn't just put 3 M NO.1 on the map. It hands you the full bridge:

Distress Mesh

Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.

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.

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.

Worldwide Charts

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

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.

Claim 3 M NO.1 and switch it all on

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About 3 M NO.1

What kind of vessel is 3 M NO.1?

3 M NO.1 is a Passenger (Uninspected) flagged to United States of America.

What is 3 M NO.1's U.S. Official No.?

3 M NO.1's U.S. Official No. is 263434.

How big is 3 M NO.1?

3 M NO.1 is about 15.1 m long, 5.3 m on the beam, drawing 1.4 m.

Is 3 M NO.1 on the Master's Mate Safety Initiative Network?

Not yet. If 3 M NO.1 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).