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
AQUA SAPPHIRE
MMSI 205572190 · Call sign OT5721
Not yet on Master's MateType
Passenger
Flag
BELLength
35 m
Beam
9 m
Call sign
OT5721
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
AQUA SAPPHIRE, a passenger ship registered in Belgium, measures 35 metres on deck. She has 9 metres in the beam. She's on record as MMSI 205572190, call sign OT5721. Claim AQUA SAPPHIRE free on the Master's Mate Safety Initiative Network and let nearby cruisers have her back.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard AQUA SAPPHIRE safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
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Live AIS position · Jun 9, 2026 05:15 UTC
Position
51.8165° N, 4.6814° E
Status
Moored
Speed
0.0 kn
Course
203°
Destination
ROTTERDAM
Sailing the North Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put AQUA SAPPHIRE 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 AQUA SAPPHIRE and switch it all on
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About AQUA SAPPHIRE
What kind of vessel is AQUA SAPPHIRE?
AQUA SAPPHIRE is a Passenger flagged to Belgium.
Where was AQUA SAPPHIRE last seen?
AQUA SAPPHIRE was last reported in the North Sea in Jun 2026 on public AIS.
What is AQUA SAPPHIRE's MMSI?
AQUA SAPPHIRE's MMSI is 205572190. Call sign OT5721.
How big is AQUA SAPPHIRE?
AQUA SAPPHIRE is about 35 m long, 9 m on the beam.
Is AQUA SAPPHIRE on the Master's Mate Safety Initiative Network?
Not yet. If AQUA SAPPHIRE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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