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.
Pleasure Craft
HARLE
MMSI 319323000 · Call sign ZCTV4
Not yet on Master's MateType
Pleasure Craft
Flag
CYMLength
45 m
Beam
9 m
Draft
2.7 m
Call sign
ZCTV4
IMO
1009390
First reported
Apr 2026
Last reported
Apr 2026
AIS reports
85
Out of the Cayman Islands, HARLE is a 45-metre leisure boat. She carries a 9 m beam and a 2.7-metre draft. She's on record as MMSI 319323000, call sign ZCTV4, IMO 1009390. There's a place for HARLE on the Master's Mate Safety Initiative Network — free, community-driven, like AAA for the ocean.
Free forever · No credit card · for recreational captains
Keep HARLE looked after — even when you’re not aboard.
Anchor alarms that wake you, a live camera at the dock, and weather you can trust before every run.
Look after her — claim free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever HARLE roams, 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 recreational captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put HARLE on the map. It hands you the full bridge:
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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim HARLE and switch it all on
Free to join · nothing to install to start · cancel anytime
About HARLE
What kind of vessel is HARLE?
HARLE is a Pleasure Craft flagged to Cayman Islands.
What is HARLE's MMSI?
HARLE's MMSI is 319323000. Call sign ZCTV4. IMO 1009390.
How big is HARLE?
HARLE is about 45 m long, 9 m on the beam, drawing 2.7 m.
Is HARLE on the Master's Mate Safety Initiative Network?
Not yet. If HARLE is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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