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.
Passenger (Inspected)
BLACKFISH IV
MMSI 367784930 · Call sign WDJ5160
Not yet on Master's MateType
Passenger (Inspected)
Flag
USALength
13.6 m
Beam
5 m
Draft
1.4 m
Call sign
WDJ5160
Official No.
1276711
First reported
Jun 2026
Last reported
Jun 2026
AIS reports
16
Registered in the United States, BLACKFISH IV is a 13.6-metre passenger boat. BLACKFISH IV has a beam of 5 m and a 1.4 m draft. On AIS she appears as MMSI 367784930, call sign WDJ5160. For a boat that carries people, BLACKFISH IV can lean on the Master's Mate Safety Initiative Network — free distress alerting and a fleet that's paying attention.
Free forever · No credit card · for passenger & charter operators
Keep every soul aboard BLACKFISH IV 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
Last known position · Jun 4, 2026
Position
48.4927° N, 122.6827° W
Sailing the Salish Sea? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put BLACKFISH IV 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 BLACKFISH IV and switch it all on
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About BLACKFISH IV
What kind of vessel is BLACKFISH IV?
BLACKFISH IV is a Passenger (Inspected) flagged to United States of America.
Where was BLACKFISH IV last seen?
BLACKFISH IV was last reported in the Salish Sea in Jun 2026 on public AIS.
What is BLACKFISH IV's MMSI?
BLACKFISH IV's MMSI is 367784930. Call sign WDJ5160.
How big is BLACKFISH IV?
BLACKFISH IV is about 13.6 m long, 5 m on the beam, drawing 1.4 m.
Is BLACKFISH IV on the Master's Mate Safety Initiative Network?
Not yet. If BLACKFISH IV is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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