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.

Search & Rescue

Fireboat 20

Search & Rescue · United States of America · last seen 34°N 118°W · Jun 2026 · MMSI 367698890 · Call sign WDI4461

Not yet on Master's Mate

Type

Search & Rescue

Flag

USA

Length

35 m

Beam

10 m

Call sign

WDI4461

Official No.

1252653

First reported

Jun 2026

Last reported

Jun 2026

AIS reports

LBFD FB20 is a United States of America-flagged Search & Rescue vessel, 35 meters in length with a 10 meter beam. Her MMSI is 367698890 and her call sign is WDI4461. We would be delighted to have LBFD FB20 participate in the Master's Mate Safety Initiative Network.

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Last known position · Jun 4, 2026

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Position

33.7706° N, 118.2098° W

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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.

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.

Onboard Cameras

Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.

Systems Monitoring

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

Distress Mesh

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

Hail Any Captain

A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.

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About Fireboat 20

What kind of vessel is Fireboat 20?

Fireboat 20 is a Search & Rescue flagged to United States of America.

Where was Fireboat 20 last seen?

Fireboat 20 was last reported in off Southern California in Jun 2026 on public AIS.

What is Fireboat 20's MMSI?

Fireboat 20's MMSI is 367698890. Call sign WDI4461.

How big is Fireboat 20?

Fireboat 20 is about 35 m long, 10 m on the beam.

Is Fireboat 20 on the Master's Mate Safety Initiative Network?

Not yet. If Fireboat 20 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).