Sign up free Dashboard Log out
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.
Tug

ISA

MMSI 244571000 · Call sign PISA

Not yet on Master's Mate
Type
Tug
Flag
NLDNLD
Length
24 m
Beam
8 m
Draft
3.2 m
Call sign
PISA
IMO
9769245
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85

ISA, a tugboat registered in the Netherlands, measures 24 metres on deck. She's built with 8 metres in the beam and a 3.2 m draft. She's listed under MMSI 244571000, call sign PISA, IMO 9769245. ISA can join the Master's Mate Safety Initiative Network for free: think of it as a watch network that has every boat's back.

Free forever · No credit card · for working boats

Built for boats that work — like ISA.

Engine & systems telemetry, live AIS, weather and distress alerting for the vessels that earn their keep.

Rig her out — free →

Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers

Live AIS position · Jun 9, 2026 06:42 UTC
Position
51.8101° N, 4.6102° E
Status
Moored
Speed
0.2 kn
Course
26°
Destination
ZWIJNDRECHT
ETA
05-30 12:00 UTC
Working 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.
Free with your claim · for working boats

The most powerful cruising platform ever built — yours, free.

Joining the Safety Initiative Network doesn't just put ISA on the map. It hands you the full bridge:

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.
Weather & Routing
GRIB wind, swell & current on the chart. Plan passages with ETA-calibrated forecasts per leg.
Distress Mesh
Mayday & Pan-Pan that ripple out to nearby cruisers — a watch network that has your back.
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 ISA and switch it all on
Free to join · nothing to install to start · cancel anytime
Claim free → unlock everything

About ISA

What kind of vessel is ISA?
ISA is a Tug flagged to Netherlands.
Where was ISA last seen?
ISA was last reported in the North Sea in Jun 2026 on public AIS.
What is ISA's MMSI?
ISA's MMSI is 244571000. Call sign PISA. IMO 9769245.
How big is ISA?
ISA is about 24 m long, 8 m on the beam, drawing 3.2 m.
Is ISA on the Master's Mate Safety Initiative Network?
Not yet. If ISA 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.