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.

Offshore Supply Vessel

MR LIONEL

MMSI 367351810 · Call sign WDE4348

Not yet on Master's Mate

Type

Offshore Supply Vessel

Flag

USA

Length

39.8 m

Beam

11 m

Draft

3.7 m

Call sign

WDE4348

IMO

9555773

Official No.

1207400

AIS reports

MR LIONEL, a harbour workboat under the American flag, measures 39.8 metres on deck. Her hull carries 11 metres in the beam and a draft of 3.7 m. Look for MMSI 367351810, call sign WDE4348, IMO 9555773. Put MR LIONEL on the free Master's Mate Safety Initiative Network and keep the working fleet looking out for each other.

Free forever · No credit card · for working boats

Built for boats that work — like MR LIONEL.

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 MR LIONEL 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 MR LIONEL 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 MR LIONEL and switch it all on

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

Claim free → unlock everything

About MR LIONEL

What kind of vessel is MR LIONEL?

MR LIONEL is a Offshore Supply Vessel flagged to United States of America.

What is MR LIONEL's MMSI?

MR LIONEL's MMSI is 367351810. Call sign WDE4348. IMO 9555773.

How big is MR LIONEL?

MR LIONEL is about 39.8 m long, 11 m on the beam, drawing 3.7 m.

Is MR LIONEL on the Master's Mate Safety Initiative Network?

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