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.

Towing Vessel

JIMMY L

MMSI 366991360 · Call sign WCP7350

Not yet on Master's Mate

Type

Towing Vessel

Flag

USA

Length

31.6 m

Beam

7.7 m

Draft

4.4 m

Call sign

WCP7350

Official No.

643848

AIS reports

JIMMY L is an American working craft — 31.6 metres overall. Her hull carries 7.7 metres in the beam and a draft of 4.4 m. On the registers she's MMSI 366991360, call sign WCP7350. Sign JIMMY L up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.

Free forever · No credit card · for working boats

Built for boats that work — like JIMMY L.

Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.

Rig her out — free →

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

Wherever JIMMY L 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 boats

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

Joining the Safety Initiative Network doesn't just put JIMMY L on the map. It hands you the full bridge:

Systems Monitoring

Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.

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.

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 JIMMY L and switch it all on

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

Claim free → unlock everything

About JIMMY L

What kind of vessel is JIMMY L?

JIMMY L is a Towing Vessel flagged to United States of America.

What is JIMMY L's MMSI?

JIMMY L's MMSI is 366991360. Call sign WCP7350.

How big is JIMMY L?

JIMMY L is about 31.6 m long, 7.7 m on the beam, drawing 4.4 m.

Is JIMMY L on the Master's Mate Safety Initiative Network?

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