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.
Other
PROSPECTOR 1
MMSI 577087000 · Call sign YJSA9
Not yet on Master's MateType
Other
Flag
VUTLength
77 m
Beam
83 m
Call sign
YJSA9
IMO
9637868
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
PROSPECTOR 1 is a 77-metre craft, flying the flag of Vanuatu. Her registration reads MMSI 577087000, call sign YJSA9, IMO 9637868. Bring PROSPECTOR 1 aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
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Is PROSPECTOR 1 your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
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Live AIS position · Jun 9, 2026 16:54 UTC
Position
53.6845° N, 6.3577° E
Status
Under way (sailing)
Speed
0.0 kn
Course
323°
Destination
42\14
ETA
06-06 18:30 UTC
Crossing the North Sea? 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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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put PROSPECTOR 1 on the map. It hands you the full bridge:
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.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim PROSPECTOR 1 and switch it all on
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About PROSPECTOR 1
What kind of vessel is PROSPECTOR 1?
PROSPECTOR 1 is a Other flagged to Vanuatu.
Where was PROSPECTOR 1 last seen?
PROSPECTOR 1 was last reported in the North Sea in Jun 2026 on public AIS.
What is PROSPECTOR 1's MMSI?
PROSPECTOR 1's MMSI is 577087000. Call sign YJSA9. IMO 9637868.
How big is PROSPECTOR 1?
PROSPECTOR 1 is about 77 m long, 83 m on the beam.
Is PROSPECTOR 1 on the Master's Mate Safety Initiative Network?
Not yet. If PROSPECTOR 1 is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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