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.
Research Vessel
RV Endeavor
MMSI 303471000 · Call sign WCE5063
Not yet on Master's MateType
Research Vessel
Flag
USALength
50.3 m
Beam
10.1 m
Draft
5.3 m
Call sign
WCE5063
IMO
7604300
Official No.
RI59A
AIS reports
2
Out of the United States, RV Endeavor is a 50.3-metre boat. Her hull carries a 10.1 m beam and a draft of 5.3 m. Her registration reads MMSI 303471000, call sign WCE5063, IMO 7604300. Claim RV Endeavor free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card
Is RV Endeavor 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 RV Endeavor 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 RV Endeavor 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 RV Endeavor and switch it all on
Free to join · nothing to install to start · cancel anytime
About RV Endeavor
What kind of vessel is RV Endeavor?
RV Endeavor is a Research Vessel flagged to United States of America.
What is RV Endeavor's MMSI?
RV Endeavor's MMSI is 303471000. Call sign WCE5063. IMO 7604300.
How big is RV Endeavor?
RV Endeavor is about 50.3 m long, 10.1 m on the beam, drawing 5.3 m.
Is RV Endeavor on the Master's Mate Safety Initiative Network?
Not yet. If RV Endeavor is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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