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.
Industrial Vessel
CHARLESTON
MMSI 368683000 · Call sign WDF6331
Not yet on Master's MateType
Industrial Vessel
Flag
USALength
73.2 m
Beam
14.9 m
Draft
3.4 m
Call sign
WDF6331
IMO
7645689
Official No.
576981
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
15
On the American registry, CHARLESTON is a 73.2-metre cargo vessel. CHARLESTON has 14.9 metres in the beam and a 3.4 m draft. On AIS she shows as MMSI 368683000, call sign WDF6331, IMO 7645689. CHARLESTON can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for commercial operators
Eyes on CHARLESTON, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 07:06 UTC
Position
39.5766° N, 75.5520° W
Status
Restricted manoeuvrability
Speed
0.0 kn
Course
279°
Transiting off the U.S. East Coast? 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put CHARLESTON on the map. It hands you the full bridge:
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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 CHARLESTON and switch it all on
Free to join · nothing to install to start · cancel anytime
About CHARLESTON
What kind of vessel is CHARLESTON?
CHARLESTON is a Industrial Vessel flagged to United States of America.
Where was CHARLESTON last seen?
CHARLESTON was last reported in off the U.S. East Coast in Jun 2026 on public AIS.
What is CHARLESTON's MMSI?
CHARLESTON's MMSI is 368683000. Call sign WDF6331. IMO 7645689.
How big is CHARLESTON?
CHARLESTON is about 73.2 m long, 14.9 m on the beam, drawing 3.4 m.
Is CHARLESTON on the Master's Mate Safety Initiative Network?
Not yet. If CHARLESTON 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.