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

Nathaniel B. Palmer

MMSI 366610000 · Call sign WBP3210

Not yet on Master's Mate

Type

Research Vessel

Flag

USA

Length

94 m

Beam

18.3 m

Draft

9.4 m

Call sign

WBP3210

IMO

9007257

Official No.

981475

AIS reports

Nathaniel B. Palmer is a craft flagged in the United States, 94 metres on deck. Her hull carries a 18.3-metre beam and a draft measuring 9.4 metres. Look for MMSI 366610000, call sign WBP3210, IMO 9007257. Add Nathaniel B. Palmer to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.

Free forever · No credit card

Is Nathaniel B. Palmer 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.

Claim this boat — free →

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

Wherever Nathaniel B. Palmer 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

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

Joining the Safety Initiative Network doesn't just put Nathaniel B. Palmer 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 Nathaniel B. Palmer and switch it all on

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

Claim free → unlock everything

About Nathaniel B. Palmer

What kind of vessel is Nathaniel B. Palmer?

Nathaniel B. Palmer is a Research Vessel flagged to United States of America.

What is Nathaniel B. Palmer's MMSI?

Nathaniel B. Palmer's MMSI is 366610000. Call sign WBP3210. IMO 9007257.

How big is Nathaniel B. Palmer?

Nathaniel B. Palmer is about 94 m long, 18.3 m on the beam, drawing 9.4 m.

Is Nathaniel B. Palmer on the Master's Mate Safety Initiative Network?

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