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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.
Towing Vessel

RESPONSE

MMSI 366866930 · Call sign WDA9597

Not yet on Master's Mate
Type
Towing Vessel
Flag
USAUSA
Length
37.9 m
Beam
13.9 m
Draft
4.8 m
Call sign
WDA9597
IMO
9258806
Official No.
1129936
AIS reports
1

RESPONSE is a workboat flagged in the United States, 37.9 metres in length. She's built with a 13.9-metre beam and a 4.8 m draft. Her papers read MMSI 366866930, call sign WDA9597, IMO 9258806. Claim RESPONSE free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

Free forever · No credit card · for working boats

Built for boats that work — like RESPONSE.

Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.

Rig her out — free →

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.
Free with your claim · for working boats

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:

Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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 RESPONSE and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About RESPONSE

What kind of vessel is RESPONSE?
RESPONSE is a Towing Vessel flagged to United States of America.
What is RESPONSE's MMSI?
RESPONSE's MMSI is 366866930. Call sign WDA9597. IMO 9258806.
How big is RESPONSE?
RESPONSE is about 37.9 m long, 13.9 m on the beam, drawing 4.8 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).

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