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.
Tug
SCHWEIGER
MMSI 368331640 · Call sign WDN9933
Not yet on Master's MateType
Tug
Flag
USALength
20 m
Beam
8 m
Draft
2.8 m
Call sign
WDN9933
IMO
8851015
Official No.
613398
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
On the American registry, SCHWEIGER is a 20-metre tug. She has 8 metres in the beam and a draft measuring 2.8 metres. Look for MMSI 368331640, call sign WDN9933, IMO 8851015. Put SCHWEIGER on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card · for working boats
Built for boats that work — like SCHWEIGER.
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
Live AIS position · Jun 9, 2026 10:50 UTC
Position
45.6123° N, 122.6458° W
Status
Moored
Speed
0.0 kn
Course
204°
Destination
JT MARINE
ETA
06-03 08:00 UTC
Wherever SCHWEIGER roams, 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 working boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SCHWEIGER 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 SCHWEIGER and switch it all on
Free to join · nothing to install to start · cancel anytime
About SCHWEIGER
What kind of vessel is SCHWEIGER?
SCHWEIGER is a Tug flagged to United States of America.
Where was SCHWEIGER last seen?
SCHWEIGER was last reported in around 46°N 123°W in Jun 2026 on public AIS.
What is SCHWEIGER's MMSI?
SCHWEIGER's MMSI is 368331640. Call sign WDN9933. IMO 8851015.
How big is SCHWEIGER?
SCHWEIGER is about 20 m long, 8 m on the beam, drawing 2.8 m.
Is SCHWEIGER on the Master's Mate Safety Initiative Network?
Not yet. If SCHWEIGER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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