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.
Passenger (Inspected)
blue heron 101
MMSI 367088640 · Call sign WDC8520
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
26.1 m
Beam
7.2 m
Draft
2.4 m
Call sign
WDC8520
Official No.
1000241
AIS reports
1
blue heron 101, an American passenger boat, measures 26.1 metres on deck. blue heron 101 has a beam of 7.2 m and a 2.4 m draft. On AIS she appears as MMSI 367088640, call sign WDC8520. blue heron 101 belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
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Keep every soul aboard blue heron 101 safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
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Wherever blue heron 101 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 blue heron 101 on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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 blue heron 101 and switch it all on
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About blue heron 101
What kind of vessel is blue heron 101?
blue heron 101 is a Passenger (Inspected) flagged to United States of America.
What is blue heron 101's MMSI?
blue heron 101's MMSI is 367088640. Call sign WDC8520.
How big is blue heron 101?
blue heron 101 is about 26.1 m long, 7.2 m on the beam, drawing 2.4 m.
Is blue heron 101 on the Master's Mate Safety Initiative Network?
Not yet. If blue heron 101 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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