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.
Dredging
GL54
MMSI 338025000 · Call sign WDH5375
Not yet on Master's MateType
Dredging
Flag
USALength
69 m
Beam
18 m
Call sign
WDH5375
Official No.
950236
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
88
GL54 is an utility boat sailing under the American flag, 69 metres from stem to stern. She's built with a 18-metre beam. On AIS she appears as MMSI 338025000, call sign WDH5375. Bring GL54 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 GL54.
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
31.1309° N, 81.4932° W
Wherever GL54 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 GL54 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 GL54 and switch it all on
Free to join · nothing to install to start · cancel anytime
About GL54
What kind of vessel is GL54?
GL54 is a Dredging flagged to United States of America.
Where was GL54 last seen?
GL54 was last reported in around 31°N 81°W in Jun 2026 on public AIS.
What is GL54's MMSI?
GL54's MMSI is 338025000. Call sign WDH5375.
How big is GL54?
GL54 is about 69 m long, 18 m on the beam.
Is GL54 on the Master's Mate Safety Initiative Network?
Not yet. If GL54 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.