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.
Offshore Supply Vessel
HOS CENTERLINE
MMSI 338714000 · Call sign KYBZ
Not yet on Master's MateType
Offshore Supply Vessel
Flag
USALength
109.2 m
Beam
21.9 m
Draft
7.6 m
Call sign
KYBZ
IMO
9040546
Official No.
981472
AIS reports
2
Registered in the United States, HOS CENTERLINE is a 109.2-metre workboat. HOS CENTERLINE has a beam of 21.9 m and a 7.6 m draft. Officially she's MMSI 338714000, call sign KYBZ, IMO 9040546. Put HOS CENTERLINE on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card · for working boats
Built for boats that work — like HOS CENTERLINE.
Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.
Rig her out — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever HOS CENTERLINE 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 boats
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put HOS CENTERLINE on the map. It hands you the full bridge:
Systems Monitoring
Batteries, bilge, tanks, Victron & NMEA 2000 telemetry — your whole boat on one dashboard.
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.
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 HOS CENTERLINE and switch it all on
Free to join · nothing to install to start · cancel anytime
About HOS CENTERLINE
What kind of vessel is HOS CENTERLINE?
HOS CENTERLINE is a Offshore Supply Vessel flagged to United States of America.
What is HOS CENTERLINE's MMSI?
HOS CENTERLINE's MMSI is 338714000. Call sign KYBZ. IMO 9040546.
How big is HOS CENTERLINE?
HOS CENTERLINE is about 109.2 m long, 21.9 m on the beam, drawing 7.6 m.
Is HOS CENTERLINE on the Master's Mate Safety Initiative Network?
Not yet. If HOS CENTERLINE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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