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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
JOCKA
MMSI 367551860 · Call sign WDG5937
Not yet on Master's MateType
Other
Flag
USALength
19 m
Beam
5 m
Call sign
WDG5937
IMO
8885573
Official No.
939745
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
An American boat, JOCKA measures 19 metres. Below, she has 5 metres in the beam. Her papers read MMSI 367551860, call sign WDG5937, IMO 8885573. There's a place for JOCKA on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
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Is JOCKA 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 11:02 UTC
Position
42.3511° N, 71.0374° W
Status
Constrained by draught
Speed
0.0 kn
Course
360°
Crossing the Gulf of Maine? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put JOCKA 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.
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About JOCKA
What kind of vessel is JOCKA?
JOCKA is a Other flagged to United States of America.
Where was JOCKA last seen?
JOCKA was last reported in the Gulf of Maine in Jun 2026 on public AIS.
What is JOCKA's MMSI?
JOCKA's MMSI is 367551860. Call sign WDG5937. IMO 8885573.
How big is JOCKA?
JOCKA is about 19 m long, 5 m on the beam.
Is JOCKA on the Master's Mate Safety Initiative Network?
Not yet. If JOCKA is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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