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.
Mobile Offshore Drilling Unit
GLOMAR MAIN PASS II
U.S. Official No. 648968
Not yet on Master's MateType
Mobile Offshore Drilling Unit
Flag
USALength
54.9 m
Beam
53.3 m
Draft
7.4 m
First reported
Jun 2026
AIS reports
1
GLOMAR MAIN PASS II flies the American flag — a 54.9-metre craft. GLOMAR MAIN PASS II has a 53.3-metre beam and a 7.4 m draft. Look for U.S. official number 648968. It's free to add GLOMAR MAIN PASS II to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
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Is GLOMAR MAIN PASS II 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 GLOMAR MAIN PASS II roams, you're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put GLOMAR MAIN PASS II 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 GLOMAR MAIN PASS II and switch it all on
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About GLOMAR MAIN PASS II
What kind of vessel is GLOMAR MAIN PASS II?
GLOMAR MAIN PASS II is a Mobile Offshore Drilling Unit flagged to United States of America.
What is GLOMAR MAIN PASS II's U.S. Official No.?
GLOMAR MAIN PASS II's U.S. Official No. is 648968.
How big is GLOMAR MAIN PASS II?
GLOMAR MAIN PASS II is about 54.9 m long, 53.3 m on the beam, drawing 7.4 m.
Is GLOMAR MAIN PASS II on the Master's Mate Safety Initiative Network?
Not yet. If GLOMAR MAIN PASS II is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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