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.
Passenger
HEROYSUND
MMSI 258691000 · Call sign LDKD
Not yet on Master's MateType
Passenger
Flag
NORLength
72 m
Beam
14 m
Draft
3.5 m
Call sign
LDKD
IMO
9666405
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
78
HEROYSUND, a Norwegian passenger craft, measures 72 metres on deck. Her hull carries a beam measuring 14 metres and a draft measuring 3.5 metres. On AIS she appears as MMSI 258691000, call sign LDKD, IMO 9666405. HEROYSUND carries passengers; the free Master's Mate Safety Initiative Network helps carry the watch, with distress alerting and a network nearby.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard HEROYSUND safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 12:31 UTC
Position
66.3459° N, 12.9785° E
Status
Under way (engine)
Speed
11.7 kn
Course
97°
Destination
STOKKVAAGEN-LOVUND
ETA
01-01 00:00 UTC
Sailing the Norwegian coast? 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put HEROYSUND on the map. It hands you the full bridge:
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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.
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.
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 HEROYSUND and switch it all on
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About HEROYSUND
What kind of vessel is HEROYSUND?
HEROYSUND is a Passenger flagged to Norway.
Where was HEROYSUND last seen?
HEROYSUND was last reported in the Norwegian coast in Jun 2026 on public AIS.
What is HEROYSUND's MMSI?
HEROYSUND's MMSI is 258691000. Call sign LDKD. IMO 9666405.
How big is HEROYSUND?
HEROYSUND is about 72 m long, 14 m on the beam, drawing 3.5 m.
Is HEROYSUND on the Master's Mate Safety Initiative Network?
Not yet. If HEROYSUND is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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