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.
High-speed Craft
SEA FLOWER
MMSI 440404100 · Call sign DSJA4
Not yet on Master's MateType
High-speed Craft
Flag
KORLength
42 m
Beam
12 m
Draft
1.5 m
Call sign
DSJA4
IMO
9645231
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
SEA FLOWER, an excursion vessel flying the South Korean flag, measures 42 metres on deck. She carries a 12 m beam and a 1.5-metre draft. Officially she's MMSI 440404100, call sign DSJA4, IMO 9645231. Bring SEA FLOWER aboard the Master's Mate Safety Initiative Network — free, and every captain on it has the others' backs.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard SEA FLOWER 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 19:18 UTC
Position
35.1167° N, 129.0496° E
Status
Moored
Speed
0.0 kn
Course
284°
Destination
BUSAN KOREA
ETA
06-09 18:00 UTC
Sailing the Sea of Japan? You're never out there alone.
Thousands of cruisers on the Master's Mate Network — ready to help the moment something goes wrong.
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Joining the Safety Initiative Network doesn't just put SEA FLOWER 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 SEA FLOWER and switch it all on
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About SEA FLOWER
What kind of vessel is SEA FLOWER?
SEA FLOWER is a High-speed Craft flagged to South Korea.
Where was SEA FLOWER last seen?
SEA FLOWER was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is SEA FLOWER's MMSI?
SEA FLOWER's MMSI is 440404100. Call sign DSJA4. IMO 9645231.
How big is SEA FLOWER?
SEA FLOWER is about 42 m long, 12 m on the beam, drawing 1.5 m.
Is SEA FLOWER on the Master's Mate Safety Initiative Network?
Not yet. If SEA FLOWER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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