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
CALDWELL
MMSI 368058040 · Call sign WDK4717
Not yet on Master's MateType
Tug
Flag
USALength
22 m
Beam
10 m
Draft
2.6 m
Call sign
WDK4717
IMO
168
Official No.
1221104
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
86
On the American registry, CALDWELL is a 22-metre tug. She has a 10-metre beam and a draft measuring 2.6 metres. Find her under MMSI 368058040, call sign WDK4717. Bring CALDWELL 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 CALDWELL.
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 13:42 UTC
Position
25.7811° N, 80.1796° W
Status
Moored
Speed
0.0 kn
Course
284°
Destination
US^0HBH>0S1C
Wherever CALDWELL 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 CALDWELL 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 CALDWELL and switch it all on
Free to join · nothing to install to start · cancel anytime
About CALDWELL
What kind of vessel is CALDWELL?
CALDWELL is a Tug flagged to United States of America.
Where was CALDWELL last seen?
CALDWELL was last reported in around 26°N 80°W in Jun 2026 on public AIS.
What is CALDWELL's MMSI?
CALDWELL's MMSI is 368058040. Call sign WDK4717. IMO 168.
How big is CALDWELL?
CALDWELL is about 22 m long, 10 m on the beam, drawing 2.6 m.
Is CALDWELL on the Master's Mate Safety Initiative Network?
Not yet. If CALDWELL is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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