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)

City of Fredericksburg

MMSI 366963950 · Call sign WDB8775

Not yet on Master's Mate

Type

Passenger (Inspected)

Flag

USA

Length

18.1 m

Beam

6.2 m

Draft

1.4 m

Call sign

WDB8775

Official No.

665501

AIS reports

City of Fredericksburg, an American passenger boat, measures 18.1 metres on deck. City of Fredericksburg has a beam measuring 6.2 metres and a 1.4 m draft. She's on record as MMSI 366963950, call sign WDB8775. City of Fredericksburg carries passengers; the free Master's Mate Safety Initiative Network helps carry the watch, with distress alerting and a network nearby.

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

Keep every soul aboard City of Fredericksburg 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 City of Fredericksburg 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 City of Fredericksburg 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 City of Fredericksburg and switch it all on

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About City of Fredericksburg

What kind of vessel is City of Fredericksburg?

City of Fredericksburg is a Passenger (Inspected) flagged to United States of America.

What is City of Fredericksburg's MMSI?

City of Fredericksburg's MMSI is 366963950. Call sign WDB8775.

How big is City of Fredericksburg?

City of Fredericksburg is about 18.1 m long, 6.2 m on the beam, drawing 1.4 m.

Is City of Fredericksburg on the Master's Mate Safety Initiative Network?

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