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.
Port Tender
MULTRASHIP RESPONDER
MMSI 376665000 · Call sign J8B5243
Not yet on Master's MateType
Port Tender
Flag
VCTLength
19 m
Beam
5 m
Draft
1.6 m
Call sign
J8B5243
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
Registered in St Vincent, MULTRASHIP RESPONDER is a 19-metre working craft. She has a beam of 5 m and a draft of 1.6 m. Officially she's MMSI 376665000, call sign J8B5243. MULTRASHIP RESPONDER 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 working boats
Built for boats that work — like MULTRASHIP RESPONDER.
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
Live AIS position · Jun 9, 2026 13:18 UTC
Position
51.3412° N, 3.8260° E
Status
Moored
Speed
0.0 kn
Course
133°
Destination
WESTERSCHELDE AREA
Working 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.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put MULTRASHIP RESPONDER 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 MULTRASHIP RESPONDER and switch it all on
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About MULTRASHIP RESPONDER
What kind of vessel is MULTRASHIP RESPONDER?
MULTRASHIP RESPONDER is a Port Tender flagged to Saint Vincent and the Grenadines.
Where was MULTRASHIP RESPONDER last seen?
MULTRASHIP RESPONDER was last reported in the North Sea in Jun 2026 on public AIS.
What is MULTRASHIP RESPONDER's MMSI?
MULTRASHIP RESPONDER's MMSI is 376665000. Call sign J8B5243.
How big is MULTRASHIP RESPONDER?
MULTRASHIP RESPONDER is about 19 m long, 5 m on the beam, drawing 1.6 m.
Is MULTRASHIP RESPONDER on the Master's Mate Safety Initiative Network?
Not yet. If MULTRASHIP RESPONDER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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