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.
Military
PRT WARSHIP F331
MMSI 263023000 · Call sign CTFK
Not yet on Master's MateType
Military
Flag
PRTLength
115 m
Beam
14 m
Draft
6.4 m
Call sign
CTFK
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
87
On the Portuguese registry, PRT WARSHIP F331 is an 115-metre craft. She carries a 14 m beam and a 6.4-metre draft. Her papers read MMSI 263023000, call sign CTFK. Put PRT WARSHIP F331 on the Master's Mate Safety Initiative Network — free to claim, with a whole fleet watching out for her.
Free forever · No credit card
Is PRT WARSHIP F331 your boat?
Your free claim unlocks the most powerful cruising platform ever built — anchor watch, worldwide charts, live AIS, weather routing, and a network of cruisers watching each other’s backs.
Claim this boat — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 10, 2026 00:19 UTC
Position
38.6678° N, 9.1465° W
Status
Moored
Speed
0.0 kn
Course
0°
ETA
05-13 12:00 UTC
Wherever PRT WARSHIP F331 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
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put PRT WARSHIP F331 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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
Onboard Cameras
Watch your boat from anywhere — live feeds and 24h recording, straight from your gateway.
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.
Hail Any Captain
A verified captains directory + direct hailing. Reach the boat next to you, or across the bay.
Claim PRT WARSHIP F331 and switch it all on
Free to join · nothing to install to start · cancel anytime
About PRT WARSHIP F331
What kind of vessel is PRT WARSHIP F331?
PRT WARSHIP F331 is a Military flagged to Portugal.
Where was PRT WARSHIP F331 last seen?
PRT WARSHIP F331 was last reported in around 39°N 9°W in Jun 2026 on public AIS.
What is PRT WARSHIP F331's MMSI?
PRT WARSHIP F331's MMSI is 263023000. Call sign CTFK.
How big is PRT WARSHIP F331?
PRT WARSHIP F331 is about 115 m long, 14 m on the beam, drawing 6.4 m.
Is PRT WARSHIP F331 on the Master's Mate Safety Initiative Network?
Not yet. If PRT WARSHIP F331 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.