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.

Commercial Fishing Vessel

LITTLE J

U.S. Official No. 621479

Not yet on Master's Mate

Type

Commercial Fishing Vessel

Flag

USA

Length

8.9 m

Beam

3.7 m

Draft

1.7 m

First reported

Jun 2026

AIS reports

LITTLE J is an American 8.9-metre working fishing vessel. She has 3.7 metres in the beam and a draft of 1.7 m. Officially she's U.S. official number 621479. Give LITTLE J the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.

Free forever · No credit card · for working captains

Know where the fleet is. Get LITTLE J home safe.

Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.

Keep the fleet in sight — free →

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

Wherever LITTLE J 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 working captains

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

Joining the Safety Initiative Network doesn't just put LITTLE J 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.

Weather & Routing

GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.

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.

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 LITTLE J and switch it all on

Free to join · nothing to install to start · cancel anytime

Claim free → unlock everything

About LITTLE J

What kind of vessel is LITTLE J?

LITTLE J is a Commercial Fishing Vessel flagged to United States of America.

What is LITTLE J's U.S. Official No.?

LITTLE J's U.S. Official No. is 621479.

How big is LITTLE J?

LITTLE J is about 8.9 m long, 3.7 m on the beam, drawing 1.7 m.

Is LITTLE J on the Master's Mate Safety Initiative Network?

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