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.
High-speed Craft
OSKI
MMSI 367389640 · Call sign WYD3004
Not yet on Master's MateType
High-speed Craft
Flag
USALength
24 m
Beam
8 m
Draft
2 m
Call sign
WYD3004
Official No.
603966
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
62
OSKI is a passenger craft wearing American colours, spanning 24 metres. She has 8 metres in the beam and a draft measuring 2 metres. She's listed under MMSI 367389640, call sign WYD3004. Bring OSKI aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard OSKI 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
Last known position · Jun 4, 2026
Position
37.8090° N, 122.4109° W
Sailing San Francisco Bay? 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 OSKI 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 OSKI and switch it all on
Free to join · nothing to install to start · cancel anytime
About OSKI
What kind of vessel is OSKI?
OSKI is a High-speed Craft flagged to United States of America.
Where was OSKI last seen?
OSKI was last reported in San Francisco Bay in Jun 2026 on public AIS.
What is OSKI's MMSI?
OSKI's MMSI is 367389640. Call sign WYD3004.
How big is OSKI?
OSKI is about 24 m long, 8 m on the beam, drawing 2 m.
Is OSKI on the Master's Mate Safety Initiative Network?
Not yet. If OSKI is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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