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

LEROY GRUMMAN

MMSI 367866000 · Call sign NNLG

Not yet on Master's Mate

Flag

USA

Length

207 m

Beam

30 m

Draft

10.3 m

Call sign

NNLG

IMO

8511500

First reported

Jun 2026

Last reported

Jun 2026

AIS reports

LEROY GRUMMAN, an American vessel, measures 207 metres on deck. She's built with a 30 m beam and a 10.3-metre draft. She broadcasts as MMSI 367866000, call sign NNLG, IMO 8511500. Add LEROY GRUMMAN to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.

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Is LEROY GRUMMAN 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 9, 2026 18:56 UTC

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Position

36.7038° N, 75.0055° W

Status

Under way (engine)

Speed

10.6 kn

Course

99°

Destination

ETA

11-12 12:00 UTC

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.

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Joining the Safety Initiative Network doesn't just put LEROY GRUMMAN 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.

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About LEROY GRUMMAN

What kind of vessel is LEROY GRUMMAN?

LEROY GRUMMAN is a vessel flagged to United States of America.

Where was LEROY GRUMMAN last seen?

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

What is LEROY GRUMMAN's MMSI?

LEROY GRUMMAN's MMSI is 367866000. Call sign NNLG. IMO 8511500.

How big is LEROY GRUMMAN?

LEROY GRUMMAN is about 207 m long, 30 m on the beam, drawing 10.3 m.

Is LEROY GRUMMAN on the Master's Mate Safety Initiative Network?

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