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
PIN ALFA
MMSI 440353000 · Call sign D7IC
Not yet on Master's MateType
Tug
Flag
KORLength
32 m
Beam
10 m
Draft
3.7 m
Call sign
D7IC
IMO
9555527
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
85
PIN ALFA is a South Korean tugboat, 32 metres in length. She's built with 10 metres in the beam and a 3.7 m draft. She's on record as MMSI 440353000, call sign D7IC, IMO 9555527. PIN ALFA belongs on the Master's Mate Safety Initiative Network, a free safety net shared by boats the world over.
Free forever · No credit card · for working boats
Built for boats that work — like PIN ALFA.
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 10:34 UTC
Position
35.0748° N, 129.0351° E
Status
Moored
Speed
0.0 kn
Course
118°
Destination
BUSAN/KOREA
ETA
04-06 08:00 UTC
Working the Sea of Japan? 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 PIN ALFA 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 PIN ALFA and switch it all on
Free to join · nothing to install to start · cancel anytime
About PIN ALFA
What kind of vessel is PIN ALFA?
PIN ALFA is a Tug flagged to South Korea.
Where was PIN ALFA last seen?
PIN ALFA was last reported in the Sea of Japan in Jun 2026 on public AIS.
What is PIN ALFA's MMSI?
PIN ALFA's MMSI is 440353000. Call sign D7IC. IMO 9555527.
How big is PIN ALFA?
PIN ALFA is about 32 m long, 10 m on the beam, drawing 3.7 m.
Is PIN ALFA on the Master's Mate Safety Initiative Network?
Not yet. If PIN ALFA 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.