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
SPINDLETOP
MMSI 367496980 · Call sign WDF8640
Not yet on Master's MateType
Tug
Flag
USALength
208 m
Beam
17 m
Draft
2.8 m
Call sign
WDF8640
Official No.
1233372
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
SPINDLETOP, a harbour tug registered in the United States, measures 208 metres on deck. Below, she has 17 metres in the beam and a draft of 2.8 m. Look for MMSI 367496980, call sign WDF8640. Claim SPINDLETOP free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for working boats
Built for boats that work — like SPINDLETOP.
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
29.6632° N, 94.2387° W
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 SPINDLETOP 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 SPINDLETOP and switch it all on
Free to join · nothing to install to start · cancel anytime
About SPINDLETOP
What kind of vessel is SPINDLETOP?
SPINDLETOP is a Tug flagged to United States of America.
Where was SPINDLETOP last seen?
SPINDLETOP was last reported in the Gulf of Mexico in Jun 2026 on public AIS.
What is SPINDLETOP's MMSI?
SPINDLETOP's MMSI is 367496980. Call sign WDF8640.
How big is SPINDLETOP?
SPINDLETOP is about 208 m long, 17 m on the beam, drawing 2.8 m.
Is SPINDLETOP on the Master's Mate Safety Initiative Network?
Not yet. If SPINDLETOP is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.