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)
Moses Grandy
MMSI 368356670 · Call sign WDP4684
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
13.7 m
Beam
4.7 m
Draft
1.4 m
Call sign
WDP4684
Official No.
1341775
Hull ID
UDD00002E323
AIS reports
1
Moses Grandy is an American passenger vessel, 13.7 metres in length. Moses Grandy has a beam measuring 4.7 metres and a 1.4 m draft. She broadcasts as MMSI 368356670, call sign WDP4684. Add Moses Grandy to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard Moses Grandy 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 Moses Grandy 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 Moses Grandy 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 Moses Grandy and switch it all on
Free to join · nothing to install to start · cancel anytime
About Moses Grandy
What kind of vessel is Moses Grandy?
Moses Grandy is a Passenger (Inspected) flagged to United States of America.
What is Moses Grandy's MMSI?
Moses Grandy's MMSI is 368356670. Call sign WDP4684.
How big is Moses Grandy?
Moses Grandy is about 13.7 m long, 4.7 m on the beam, drawing 1.4 m.
Is Moses Grandy on the Master's Mate Safety Initiative Network?
Not yet. If Moses Grandy is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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