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)
Jolly II Rover
MMSI 367033670 · Call sign WDI8200
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
18.7 m
Beam
4.8 m
Draft
2.2 m
Call sign
WDI8200
Official No.
1025398
AIS reports
2
Jolly II Rover is a passenger vessel under American registration, 18.7 metres in length. She carries a beam measuring 4.8 metres and a 2.2 m draft. On the registers she's MMSI 367033670, call sign WDI8200. Keep every soul aboard Jolly II Rover covered with the free Master's Mate Safety Initiative Network.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard Jolly II Rover 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 Jolly II Rover 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 Jolly II Rover 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 Jolly II Rover and switch it all on
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About Jolly II Rover
What kind of vessel is Jolly II Rover?
Jolly II Rover is a Passenger (Inspected) flagged to United States of America.
What is Jolly II Rover's MMSI?
Jolly II Rover's MMSI is 367033670. Call sign WDI8200.
How big is Jolly II Rover?
Jolly II Rover is about 18.7 m long, 4.8 m on the beam, drawing 2.2 m.
Is Jolly II Rover on the Master's Mate Safety Initiative Network?
Not yet. If Jolly II Rover is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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