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
OSPREY
MMSI 338576000 · Call sign WDM3791
Not yet on Master's MateType
Passenger
Flag
USALength
29 m
Beam
8 m
Draft
5.5 m
Call sign
WDM3791
IMO
9219848
Official No.
1076183
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
20
OSPREY is a passenger vessel on the the United States registry, 29 metres in length. OSPREY has a beam of 8 m and a 5.5 m draft. Find her under MMSI 338576000, call sign WDM3791, IMO 9219848. Claim OSPREY free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard OSPREY 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 3, 2026
Position
48.5509° N, 123.0033° W
Sailing the Salish Sea? 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 OSPREY 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 OSPREY and switch it all on
Free to join · nothing to install to start · cancel anytime
About OSPREY
What kind of vessel is OSPREY?
OSPREY is a Passenger flagged to United States of America.
Where was OSPREY last seen?
OSPREY was last reported in the Salish Sea in Jun 2026 on public AIS.
What is OSPREY's MMSI?
OSPREY's MMSI is 338576000. Call sign WDM3791. IMO 9219848.
How big is OSPREY?
OSPREY is about 29 m long, 8 m on the beam, drawing 5.5 m.
Is OSPREY on the Master's Mate Safety Initiative Network?
Not yet. If OSPREY is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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