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.

Vessel

SEA SQUIRE

United States of America · last seen 42°N 71°W · Jun 2026 · MMSI 338493885

Not yet on Master's Mate

Flag

USA

First reported

Jun 2026

Last reported

Jun 2026

AIS reports

Flying the American flag, SEA SQUIRE is a boat. Find her under MMSI 338493885. Join SEA SQUIRE to the Master's Mate Safety Initiative Network — free, and built by cruisers for cruisers.

Photos of SEA SQUIRE

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Is SEA SQUIRE 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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Live AIS position · Jun 16, 2026 14:12 UTC

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Position

41.5445° N, 70.6061° W

Status

Under way (engine)

Speed

0.0 kn

Course

143°

Crossing off the U.S. East Coast? 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 SEA SQUIRE 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 SEA SQUIRE and switch it all on

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About SEA SQUIRE

What kind of vessel is SEA SQUIRE?

SEA SQUIRE is a vessel flagged to United States of America.

Where was SEA SQUIRE last seen?

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

What is SEA SQUIRE's MMSI?

SEA SQUIRE's MMSI is 338493885.

Is SEA SQUIRE on the Master's Mate Safety Initiative Network?

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