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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.
Fishing

GRUMPY J

MMSI 367450580 · Call sign WDF4332

Not yet on Master's Mate
Type
Fishing
Flag
USAUSA
Length
23 m
Beam
7 m
Draft
3.4 m
Call sign
WDF4332
IMO
7049433
Official No.
514665
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
19

Out of the United States, GRUMPY J is a 23-metre fishing craft. Below, she has a beam measuring 7 metres and a draft measuring 3.4 metres. Look for MMSI 367450580, call sign WDF4332, IMO 7049433. GRUMPY J is welcome on the Master's Mate Safety Initiative Network — a free, community-run watch where boats look out for one another.

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Live AIS position · Jun 9, 2026 06:15 UTC
Position
46.1680° N, 123.9144° W
Status
Engaged in fishing
Speed
0.0 kn
Course
283°
Wherever GRUMPY J roams, you're never out there alone.
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Joining the Safety Initiative Network doesn't just put GRUMPY J on the map. It hands you the full bridge:

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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.
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.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
Worldwide Charts
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Onboard Cameras
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Hail Any Captain
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About GRUMPY J

What kind of vessel is GRUMPY J?
GRUMPY J is a Fishing flagged to United States of America.
What is GRUMPY J's MMSI?
GRUMPY J's MMSI is 367450580. Call sign WDF4332. IMO 7049433.
How big is GRUMPY J?
GRUMPY J is about 23 m long, 7 m on the beam, drawing 3.4 m.
Is GRUMPY J on the Master's Mate Safety Initiative Network?
Not yet. If GRUMPY J is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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