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.

Research Vessel

NOAAS Miller Freeman

MMSI 303941000 · Call sign WTDM

Not yet on Master's Mate

Type

Research Vessel

Flag

USA

Length

67 m

Beam

12.8 m

Draft

6 m

Call sign

WTDM

IMO

6621636

Official No.

508932

AIS reports

On the American registry, NOAAS Miller Freeman is a 67-metre boat. She has 12.8 metres in the beam and a draft of 6 m. On the registers she's MMSI 303941000, call sign WTDM, IMO 6621636. Add NOAAS Miller Freeman to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.

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Is NOAAS Miller Freeman your boat?

Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.

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Wherever NOAAS Miller Freeman 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 NOAAS Miller Freeman on the map. It hands you the full bridge:

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.

Claim NOAAS Miller Freeman and switch it all on

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About NOAAS Miller Freeman

What kind of vessel is NOAAS Miller Freeman?

NOAAS Miller Freeman is a Research Vessel flagged to United States of America.

What is NOAAS Miller Freeman's MMSI?

NOAAS Miller Freeman's MMSI is 303941000. Call sign WTDM. IMO 6621636.

How big is NOAAS Miller Freeman?

NOAAS Miller Freeman is about 67 m long, 12.8 m on the beam, drawing 6 m.

Is NOAAS Miller Freeman on the Master's Mate Safety Initiative Network?

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