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

RESPONSE

MMSI 366826390 · Call sign WDA5982

Not yet on Master's Mate

Type

Research Vessel

Flag

USA

Length

34.3 m

Beam

8 m

Draft

2.7 m

Call sign

WDA5982

IMO

7216086

Official No.

295584

AIS reports

RESPONSE, a boat listed on the the United States registry, measures 34.3 metres on deck. Below, she has 8 metres in the beam and a draft measuring 2.7 metres. On the registers she's MMSI 366826390, call sign WDA5982, IMO 7216086. Claim RESPONSE free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

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

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

Joining the Safety Initiative Network doesn't just put RESPONSE 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 RESPONSE and switch it all on

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About RESPONSE

What kind of vessel is RESPONSE?

RESPONSE is a Research Vessel flagged to United States of America.

What is RESPONSE's MMSI?

RESPONSE's MMSI is 366826390. Call sign WDA5982. IMO 7216086.

How big is RESPONSE?

RESPONSE is about 34.3 m long, 8 m on the beam, drawing 2.7 m.

Is RESPONSE on the Master's Mate Safety Initiative Network?

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