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.
UNSPECIFIED
SHIP 300
U.S. Official No. 221932
Not yet on Master's MateType
UNSPECIFIED
Flag
USALength
70 m
Beam
17.7 m
Draft
2.4 m
First reported
Jun 2026
AIS reports
1
Registered in the United States, SHIP 300 is a 70-metre craft. SHIP 300 has a beam measuring 17.7 metres and a 2.4 m draft. Her registration reads U.S. official number 221932. Put SHIP 300 on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card
Is SHIP 300 your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever SHIP 300 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SHIP 300 on the map. It hands you the full bridge:
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.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim SHIP 300 and switch it all on
Free to join · nothing to install to start · cancel anytime
About SHIP 300
What kind of vessel is SHIP 300?
SHIP 300 is a UNSPECIFIED flagged to United States of America.
What is SHIP 300's U.S. Official No.?
SHIP 300's U.S. Official No. is 221932.
How big is SHIP 300?
SHIP 300 is about 70 m long, 17.7 m on the beam, drawing 2.4 m.
Is SHIP 300 on the Master's Mate Safety Initiative Network?
Not yet. If SHIP 300 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.