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)
Capt. Gregory
MMSI 366868220 · Call sign WDA9720
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
18.1 m
Beam
5.5 m
Draft
1.7 m
Call sign
WDA9720
Official No.
287612
AIS reports
1
Capt. Gregory is an American excursion vessel, 18.1 metres from stem to stern. Capt. Gregory has 5.5 metres in the beam and a 1.7-metre draft. Look for MMSI 366868220, call sign WDA9720. Sign Capt. Gregory up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard Capt. Gregory safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Capt. Gregory 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Capt. Gregory 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 Capt. Gregory and switch it all on
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About Capt. Gregory
What kind of vessel is Capt. Gregory?
Capt. Gregory is a Passenger (Inspected) flagged to United States of America.
What is Capt. Gregory's MMSI?
Capt. Gregory's MMSI is 366868220. Call sign WDA9720.
How big is Capt. Gregory?
Capt. Gregory is about 18.1 m long, 5.5 m on the beam, drawing 1.7 m.
Is Capt. Gregory on the Master's Mate Safety Initiative Network?
Not yet. If Capt. Gregory is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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