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.
Tanker
GRIMSTAD
MMSI 309518000 · Call sign C6WG9
Not yet on Master's MateType
Tanker
Flag
BHSLength
241 m
Beam
42 m
Draft
8.1 m
Call sign
C6WG9
IMO
9336402
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
87
GRIMSTAD is a tanker under the Bahamian flag, spanning 241 metres. Her hull carries a 42 m beam and a draft measuring 8.1 metres. On the registers she's MMSI 309518000, call sign C6WG9, IMO 9336402. GRIMSTAD can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for commercial operators
Eyes on GRIMSTAD, 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
Last known position · Jun 4, 2026
Position
54.6197° N, 1.1583° W
Transiting the North Sea? 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 GRIMSTAD 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 GRIMSTAD and switch it all on
Free to join · nothing to install to start · cancel anytime
About GRIMSTAD
What kind of vessel is GRIMSTAD?
GRIMSTAD is a Tanker flagged to The Bahamas.
Where was GRIMSTAD last seen?
GRIMSTAD was last reported in the North Sea in Jun 2026 on public AIS.
What is GRIMSTAD's MMSI?
GRIMSTAD's MMSI is 309518000. Call sign C6WG9. IMO 9336402.
How big is GRIMSTAD?
GRIMSTAD is about 241 m long, 42 m on the beam, drawing 8.1 m.
Is GRIMSTAD on the Master's Mate Safety Initiative Network?
Not yet. If GRIMSTAD is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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