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.
Towing
BIG A
MMSI 367581670 · Call sign WDG8847
Not yet on Master's MateType
Towing
Flag
USALength
33 m
Beam
11 m
Call sign
WDG8847
Official No.
501595
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
29
BIG A, a workboat hailing from the United States, measures 33 metres on deck. She carries a beam of 11 m. On the registers she's MMSI 367581670, call sign WDG8847. BIG A 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 working boats
Built for boats that work — like BIG A.
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 2, 2026
Position
34.8656° N, 87.9504° W
Wherever BIG A 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 BIG A 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 BIG A and switch it all on
Free to join · nothing to install to start · cancel anytime
About BIG A
What kind of vessel is BIG A?
BIG A is a Towing flagged to United States of America.
Where was BIG A last seen?
BIG A was last reported in around 35°N 88°W in Jun 2026 on public AIS.
What is BIG A's MMSI?
BIG A's MMSI is 367581670. Call sign WDG8847.
How big is BIG A?
BIG A is about 33 m long, 11 m on the beam.
Is BIG A on the Master's Mate Safety Initiative Network?
Not yet. If BIG A is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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