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.
Pleasure Craft
THEA FOSS
MMSI 367035820 · Call sign WDL5077
Not yet on Master's MateType
Pleasure Craft
Flag
USALength
36 m
Beam
7 m
Draft
3 m
Call sign
WDL5077
Official No.
229467
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
87
THEA FOSS is an American 36-metre cruising boat. She carries a beam measuring 7 metres and a 3-metre draft. Look for MMSI 367035820, call sign WDL5077. THEA FOSS belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
Free forever · No credit card · for recreational captains
Keep THEA FOSS looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Last known position · Jun 4, 2026
Position
47.6304° N, 122.3308° W
Cruising 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 recreational captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put THEA FOSS 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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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.
Claim THEA FOSS and switch it all on
Free to join · nothing to install to start · cancel anytime
About THEA FOSS
What kind of vessel is THEA FOSS?
THEA FOSS is a Pleasure Craft flagged to United States of America.
Where was THEA FOSS last seen?
THEA FOSS was last reported in the Salish Sea in Jun 2026 on public AIS.
What is THEA FOSS's MMSI?
THEA FOSS's MMSI is 367035820. Call sign WDL5077.
How big is THEA FOSS?
THEA FOSS is about 36 m long, 7 m on the beam, drawing 3 m.
Is THEA FOSS on the Master's Mate Safety Initiative Network?
Not yet. If THEA FOSS is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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