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)
SYLVAN SPIRIT
MMSI 366992830 · Call sign WDI4260
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
17.4 m
Beam
5.5 m
Draft
2.6 m
Call sign
WDI4260
Official No.
1025644
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
28
An American passenger ship, SYLVAN SPIRIT measures 17.4 metres. Below, she has a 5.5-metre beam and a draft measuring 2.6 metres. Look for MMSI 366992830, call sign WDI4260. Sign SYLVAN SPIRIT up free to the Master's Mate Safety Initiative Network and join a fleet that looks after its own.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard SYLVAN SPIRIT 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
48.4930° N, 122.6818° W
Sailing the Salish Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put SYLVAN SPIRIT 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 SYLVAN SPIRIT and switch it all on
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About SYLVAN SPIRIT
What kind of vessel is SYLVAN SPIRIT?
SYLVAN SPIRIT is a Passenger (Inspected) flagged to United States of America.
Where was SYLVAN SPIRIT last seen?
SYLVAN SPIRIT was last reported in the Salish Sea in Jun 2026 on public AIS.
What is SYLVAN SPIRIT's MMSI?
SYLVAN SPIRIT's MMSI is 366992830. Call sign WDI4260.
How big is SYLVAN SPIRIT?
SYLVAN SPIRIT is about 17.4 m long, 5.5 m on the beam, drawing 2.6 m.
Is SYLVAN SPIRIT on the Master's Mate Safety Initiative Network?
Not yet. If SYLVAN SPIRIT is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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