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.

Passenger (Inspected)

Captain Jeffrey II

MMSI 366905340 · Call sign WDB5050

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

17.4 m

Beam

5.8 m

Draft

2.3 m

Call sign

WDB5050

Official No.

1107520

AIS reports

Captain Jeffrey II, an American ferry vessel, measures 17.4 metres on deck. Below, she has 5.8 metres in the beam and a draft of 2.3 m. Her papers read MMSI 366905340, call sign WDB5050. There's a place for Captain Jeffrey II on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.

Free forever · No credit card · for passenger & charter operators

Keep every soul aboard Captain Jeffrey II safe.

Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.

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

Wherever Captain Jeffrey II roams, 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 Captain Jeffrey II on the map. It hands you the full bridge:

Distress Mesh

Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.

Live AIS & Traffic

See every vessel around you in real time. Closest-approach warnings before they matter.

Systems Monitoring

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

Weather & Routing

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

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 Captain Jeffrey II and switch it all on

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About Captain Jeffrey II

What kind of vessel is Captain Jeffrey II?

Captain Jeffrey II is a Passenger (Inspected) flagged to United States of America.

What is Captain Jeffrey II's MMSI?

Captain Jeffrey II's MMSI is 366905340. Call sign WDB5050.

How big is Captain Jeffrey II?

Captain Jeffrey II is about 17.4 m long, 5.8 m on the beam, drawing 2.3 m.

Is Captain Jeffrey II on the Master's Mate Safety Initiative Network?

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