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.
Cargo
SAPPHIRE
MMSI 275562000 · Call sign YLTB
Not yet on Master's MateType
Cargo
Flag
LVALength
89 m
Beam
11 m
Draft
3.3 m
Call sign
YLTB
IMO
1091381
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
SAPPHIRE, a cargo ship listed on the Latvia registry, measures 89 metres on deck. SAPPHIRE has a 11 m beam and a 3.3 m draft. On AIS she shows as MMSI 275562000, call sign YLTB, IMO 1091381. SAPPHIRE 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 SAPPHIRE, 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
Live AIS position · Jun 9, 2026 03:58 UTC
Position
53.1889° N, 5.4304° E
Status
Moored
Speed
0.0 kn
Course
156°
Destination
NLHAR
ETA
06-07 14:30 UTC
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.
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The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put SAPPHIRE 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 SAPPHIRE and switch it all on
Free to join · nothing to install to start · cancel anytime
About SAPPHIRE
What kind of vessel is SAPPHIRE?
SAPPHIRE is a Cargo flagged to Latvia.
Where was SAPPHIRE last seen?
SAPPHIRE was last reported in the North Sea in Jun 2026 on public AIS.
What is SAPPHIRE's MMSI?
SAPPHIRE's MMSI is 275562000. Call sign YLTB. IMO 1091381.
How big is SAPPHIRE?
SAPPHIRE is about 89 m long, 11 m on the beam, drawing 3.3 m.
Is SAPPHIRE on the Master's Mate Safety Initiative Network?
Not yet. If SAPPHIRE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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