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.
Tanker
KING FISHER
MMSI 232059973 · Call sign MRTL4
Not yet on Master's MateType
Tanker
Flag
GBRLength
104 m
Beam
17 m
Draft
4.9 m
Call sign
MRTL4
IMO
9556038
First reported
May 2026
Last reported
May 2026
AIS reports
85
KING FISHER, a tank ship on the the United Kingdom registry, measures 104 metres on deck. Her hull carries a beam measuring 17 metres and a draft of 4.9 m. Her registration reads MMSI 232059973, call sign MRTL4, IMO 9556038. Put KING FISHER on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card · for commercial operators
Eyes on KING FISHER, 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
Last known position · May 24, 2026
Position
13.9814° N, 61.1352° W
Transiting the Caribbean? 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 commercial operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put KING FISHER 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 KING FISHER and switch it all on
Free to join · nothing to install to start · cancel anytime
About KING FISHER
What kind of vessel is KING FISHER?
KING FISHER is a Tanker flagged to United Kingdom.
Where was KING FISHER last seen?
KING FISHER was last reported in the Caribbean in May 2026 on public AIS.
What is KING FISHER's MMSI?
KING FISHER's MMSI is 232059973. Call sign MRTL4. IMO 9556038.
How big is KING FISHER?
KING FISHER is about 104 m long, 17 m on the beam, drawing 4.9 m.
Is KING FISHER on the Master's Mate Safety Initiative Network?
Not yet. If KING FISHER is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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