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.
Towing
SANDRA FOSS
MMSI 366934290 · Call sign WYL4908
Not yet on Master's MateType
Towing
Flag
USALength
34 m
Beam
10 m
Draft
3.5 m
Call sign
WYL4908
IMO
7502576
Official No.
571854
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
27
SANDRA FOSS is a service vessel flying the flag of the United States, measuring 34 metres. She's built with a beam measuring 10 metres and a 3.5 m draft. Look for MMSI 366934290, call sign WYL4908, IMO 7502576. SANDRA FOSS can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.
Free forever · No credit card · for working boats
Built for boats that work — like SANDRA FOSS.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
47.2615° N, 122.4313° W
Working the Salish Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put SANDRA FOSS on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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 SANDRA FOSS and switch it all on
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About SANDRA FOSS
What kind of vessel is SANDRA FOSS?
SANDRA FOSS is a Towing flagged to United States of America.
Where was SANDRA FOSS last seen?
SANDRA FOSS was last reported in the Salish Sea in Jun 2026 on public AIS.
What is SANDRA FOSS's MMSI?
SANDRA FOSS's MMSI is 366934290. Call sign WYL4908. IMO 7502576.
How big is SANDRA FOSS?
SANDRA FOSS is about 34 m long, 10 m on the beam, drawing 3.5 m.
Is SANDRA FOSS on the Master's Mate Safety Initiative Network?
Not yet. If SANDRA FOSS is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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