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
SPARTAN
MMSI 368212490 · Call sign WDM5091
Not yet on Master's MateType
Tug
Flag
USALength
30 m
Beam
11 m
Draft
5.7 m
Call sign
WDM5091
IMO
993497900
Official No.
1310161
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
Registered in the United States, SPARTAN is a 30-metre tugboat. SPARTAN has a 11-metre beam and a 5.7 m draft. Find her under MMSI 368212490, call sign WDM5091. Bring SPARTAN aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for working boats
Built for boats that work — like SPARTAN.
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 14:41 UTC
Position
29.9967° N, 93.9496° W
Status
Moored
Speed
0.0 kn
Course
176°
Destination
USNSS<>USBPT
Working the Gulf of Mexico? 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 SPARTAN 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 SPARTAN and switch it all on
Free to join · nothing to install to start · cancel anytime
About SPARTAN
What kind of vessel is SPARTAN?
SPARTAN is a Tug flagged to United States of America.
Where was SPARTAN last seen?
SPARTAN was last reported in the Gulf of Mexico in Jun 2026 on public AIS.
What is SPARTAN's MMSI?
SPARTAN's MMSI is 368212490. Call sign WDM5091. IMO 993497900.
How big is SPARTAN?
SPARTAN is about 30 m long, 11 m on the beam, drawing 5.7 m.
Is SPARTAN on the Master's Mate Safety Initiative Network?
Not yet. If SPARTAN is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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