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
MARK I
MMSI 303636000 · Call sign WDC4939
Not yet on Master's MateType
Fishing
Flag
USALength
33 m
Beam
10 m
Draft
4 m
Call sign
WDC4939
IMO
7215654
Official No.
509552
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
87
MARK I, an American fishing boat, measures 33 metres on deck. She has a beam of 10 m and a draft measuring 4 metres. She's on record as MMSI 303636000, call sign WDC4939, IMO 7215654. Give MARK I the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for working captains
Know where the fleet is. Get MARK I home safe.
Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.
Keep the fleet in sight — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 09:09 UTC
Position
46.2123° N, 124.2483° W
Status
Under way (engine)
Speed
8.9 kn
Course
5°
Destination
FISHING
ETA
01-19 12:00 UTC
Wherever MARK I 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 captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put MARK I 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.
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
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 MARK I and switch it all on
Free to join · nothing to install to start · cancel anytime
About MARK I
What kind of vessel is MARK I?
MARK I is a Fishing flagged to United States of America.
Where was MARK I last seen?
MARK I was last reported in around 46°N 124°W in Jun 2026 on public AIS.
What is MARK I's MMSI?
MARK I's MMSI is 303636000. Call sign WDC4939. IMO 7215654.
How big is MARK I?
MARK I is about 33 m long, 10 m on the beam, drawing 4 m.
Is MARK I on the Master's Mate Safety Initiative Network?
Not yet. If MARK I is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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