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
HARRIET ANN
MMSI 366951640 · Call sign WUT5189
Not yet on Master's MateType
Towing Vessel
Flag
USALength
60.4 m
Beam
15.2 m
Draft
3.5 m
Call sign
WUT5189
Official No.
503208
AIS reports
1
HARRIET ANN flies the American flag — a 60.4-metre harbour workboat. Below, she has a 15.2-metre beam and a draft of 3.5 m. Look for MMSI 366951640, call sign WUT5189. There's a place for HARRIET ANN on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card · for working boats
Built for boats that work — like HARRIET ANN.
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 HARRIET ANN 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 HARRIET ANN 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 HARRIET ANN and switch it all on
Free to join · nothing to install to start · cancel anytime
About HARRIET ANN
What kind of vessel is HARRIET ANN?
HARRIET ANN is a Towing Vessel flagged to United States of America.
What is HARRIET ANN's MMSI?
HARRIET ANN's MMSI is 366951640. Call sign WUT5189.
How big is HARRIET ANN?
HARRIET ANN is about 60.4 m long, 15.2 m on the beam, drawing 3.5 m.
Is HARRIET ANN on the Master's Mate Safety Initiative Network?
Not yet. If HARRIET ANN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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