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.
Tank Ship
SL HAWAII
MMSI 368411250 · Call sign WDQ2825
Not yet on Master's MateType
Tank Ship
Flag
USALength
175.3 m
Beam
32.2 m
Draft
19.1 m
Call sign
WDQ2825
IMO
9776470
Official No.
1355291
AIS reports
1
Out of the United States, SL HAWAII is a 175.3-metre tank vessel. She has a beam of 32.2 m and a draft of 19.1 m. Look for MMSI 368411250, call sign WDQ2825, IMO 9776470. Add SL HAWAII to the Master's Mate Safety Initiative Network — free to join, and the fleet keeps an eye out for each other.
Free forever · No credit card · for commercial operators
Eyes on SL HAWAII, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever SL HAWAII 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SL HAWAII 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.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Anchor Watch
GPS-precise drag alarms that actually wake you — and your whole crew. Sleep through the night.
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 SL HAWAII and switch it all on
Free to join · nothing to install to start · cancel anytime
About SL HAWAII
What kind of vessel is SL HAWAII?
SL HAWAII is a Tank Ship flagged to United States of America.
What is SL HAWAII's MMSI?
SL HAWAII's MMSI is 368411250. Call sign WDQ2825. IMO 9776470.
How big is SL HAWAII?
SL HAWAII is about 175.3 m long, 32.2 m on the beam, drawing 19.1 m.
Is SL HAWAII on the Master's Mate Safety Initiative Network?
Not yet. If SL HAWAII is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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