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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

RV Sikuliaq

MMSI 338417000 · Call sign WDQ7813

Not yet on Master's Mate
Type
Offshore Supply Vessel
Flag
USAUSA
Length
79.7 m
Beam
23.8 m
Draft
4 m
Call sign
WDQ7813
IMO
9578945
Official No.
1070560
AIS reports
4

Registered in the United States, RV Sikuliaq is a 79.7-metre workboat. RV Sikuliaq has a 23.8-metre beam and a 4 m draft. On the registers she's MMSI 338417000, call sign WDQ7813, IMO 9578945. Claim RV Sikuliaq free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.

Free forever · No credit card · for working boats

Built for boats that work — like RV Sikuliaq.

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 RV Sikuliaq 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 RV Sikuliaq 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 RV Sikuliaq and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About RV Sikuliaq

What kind of vessel is RV Sikuliaq?
RV Sikuliaq is a Offshore Supply Vessel flagged to United States of America.
What is RV Sikuliaq's MMSI?
RV Sikuliaq's MMSI is 338417000. Call sign WDQ7813. IMO 9578945.
How big is RV Sikuliaq?
RV Sikuliaq is about 79.7 m long, 23.8 m on the beam, drawing 4 m.
Is RV Sikuliaq on the Master's Mate Safety Initiative Network?
Not yet. If RV Sikuliaq is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).

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