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.
High-speed Craft
GREY HERON
High-speed Craft · last seen 41°S 173°E · Jun 2026 · MMSI 512008152 · Call sign ZMX8856
Not yet on Master's MateType
High-speed Craft
Length
17 m
Beam
7 m
Draft
1 m
Call sign
ZMX8856
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
5
GREY HERON is a passenger craft, spanning 17 metres. She has a 7-metre beam and a draft measuring 1 metres. On the registers she's MMSI 512008152, call sign ZMX8856. The Master's Mate Safety Initiative Network welcomes GREY HERON — free to join, cruiser-run, and always on watch.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard GREY HERON safe.
Distress alerting, live AIS, onboard monitoring and weather routing — the safety stack for boats that carry people.
Switch on the safety stack — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 15, 2026 21:35 UTC
Position
41.0684° S, 173.1036° E
Speed
2.4 kn
Course
296°
Wherever GREY HERON 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 passenger & charter operators
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put GREY HERON 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 GREY HERON and switch it all on
Free to join · nothing to install to start · cancel anytime
About GREY HERON
What kind of vessel is GREY HERON?
GREY HERON is a High-speed Craft.
Where was GREY HERON last seen?
GREY HERON was last reported in around 41°S 173°E in Jun 2026 on public AIS.
What is GREY HERON's MMSI?
GREY HERON's MMSI is 512008152. Call sign ZMX8856.
How big is GREY HERON?
GREY HERON is about 17 m long, 7 m on the beam, drawing 1 m.
Is GREY HERON on the Master's Mate Safety Initiative Network?
Not yet. If GREY HERON is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
© 2026 Master’s Mate. All rights reserved.