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)

DUAL INPUT

MMSI 366220090 · Call sign WBA5559

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

12.3 m

Beam

4.1 m

Draft

2.1 m

Call sign

WBA5559

Official No.

604395

AIS reports

DUAL INPUT is an American ferry vessel — 12.3 metres overall. Below, she has a 4.1-metre beam and a draft of 2.1 m. Officially she's MMSI 366220090, call sign WBA5559. DUAL INPUT is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.

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

Keep every soul aboard DUAL INPUT safe.

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

Switch on the safety stack — free →

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

Wherever DUAL INPUT 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 passenger & charter operators

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

Joining the Safety Initiative Network doesn't just put DUAL INPUT 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 DUAL INPUT and switch it all on

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

Claim free → unlock everything

About DUAL INPUT

What kind of vessel is DUAL INPUT?

DUAL INPUT is a Passenger (Inspected) flagged to United States of America.

What is DUAL INPUT's MMSI?

DUAL INPUT's MMSI is 366220090. Call sign WBA5559.

How big is DUAL INPUT?

DUAL INPUT is about 12.3 m long, 4.1 m on the beam, drawing 2.1 m.

Is DUAL INPUT on the Master's Mate Safety Initiative Network?

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