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)

Sebago Cubed

MMSI 367385270 · Call sign WDL4215

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

18.2 m

Beam

9.1 m

Draft

1.8 m

Call sign

WDL4215

Official No.

996733

AIS reports

Registered in the United States, Sebago Cubed is an 18.2-metre ferry vessel. Below, she has a beam of 9.1 m and a draft of 1.8 m. On AIS she appears as MMSI 367385270, call sign WDL4215. Claim Sebago Cubed free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

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

Keep every soul aboard Sebago Cubed 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 Sebago Cubed 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 Sebago Cubed 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 Sebago Cubed and switch it all on

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Claim free → unlock everything

About Sebago Cubed

What kind of vessel is Sebago Cubed?

Sebago Cubed is a Passenger (Inspected) flagged to United States of America.

What is Sebago Cubed's MMSI?

Sebago Cubed's MMSI is 367385270. Call sign WDL4215.

How big is Sebago Cubed?

Sebago Cubed is about 18.2 m long, 9.1 m on the beam, drawing 1.8 m.

Is Sebago Cubed on the Master's Mate Safety Initiative Network?

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