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.
Passenger (Inspected)
FAST MAMMOTH
MMSI 368051000 · Call sign WDF9442
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
51.1 m
Beam
9.1 m
Draft
4.3 m
Call sign
WDF9442
IMO
9599444
Official No.
1234679
AIS reports
2
FAST MAMMOTH is an American 51.1-metre excursion vessel. She's built with a beam measuring 9.1 metres and a 4.3-metre draft. Her registration reads MMSI 368051000, call sign WDF9442, IMO 9599444. FAST MAMMOTH is invited to the free Master's Mate Safety Initiative Network, where cruisers keep each other safe.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard FAST MAMMOTH safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 16:45 UTC
Position
28.9211° N, 87.9640° W
Status
Under way (engine)
Speed
0.7 kn
Course
327°
Destination
FOURCHON
ETA
06-09 08:00 UTC
Sailing 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.
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Joining the Safety Initiative Network doesn't just put FAST MAMMOTH on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Live AIS & Traffic
See every vessel around you in real time. Closest-approach warnings before they matter.
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
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 FAST MAMMOTH and switch it all on
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About FAST MAMMOTH
What kind of vessel is FAST MAMMOTH?
FAST MAMMOTH is a Passenger (Inspected) flagged to United States of America.
Where was FAST MAMMOTH last seen?
FAST MAMMOTH was last reported in the Gulf of Mexico on public AIS.
What is FAST MAMMOTH's MMSI?
FAST MAMMOTH's MMSI is 368051000. Call sign WDF9442. IMO 9599444.
How big is FAST MAMMOTH?
FAST MAMMOTH is about 51.1 m long, 9.1 m on the beam, drawing 4.3 m.
Is FAST MAMMOTH on the Master's Mate Safety Initiative Network?
Not yet. If FAST MAMMOTH is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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