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.
Commercial Fishing Vessel
Aphotic
MMSI 368408250 · Call sign WDQ2487
Not yet on Master's MateType
Commercial Fishing Vessel
Flag
USALength
10.7 m
Beam
3.5 m
Draft
1.5 m
Call sign
WDQ2487
Official No.
1145688
Hull ID
BYS001970679
AIS reports
1
Aphotic flies the American flag — a 10.7-metre offshore fishing boat. She's built with 3.5 metres in the beam and a 1.5-metre draft. Look for MMSI 368408250, call sign WDQ2487. It's free to add Aphotic to the Master's Mate Safety Initiative Network — like AAA for the ocean, run by the cruisers who use it.
Free forever · No credit card · for working captains
Know where the fleet is. Get Aphotic home safe.
Live AIS traffic, weather you can plan around, engine & systems telemetry, and a distress mesh that reaches nearby boats.
Keep the fleet in sight — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Wherever Aphotic 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 working captains
The most powerful cruising platform ever built — yours, free.
Joining the Safety Initiative Network doesn't just put Aphotic on the map. It hands you the full bridge:
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.
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.
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 Aphotic and switch it all on
Free to join · nothing to install to start · cancel anytime
About Aphotic
What kind of vessel is Aphotic?
Aphotic is a Commercial Fishing Vessel flagged to United States of America.
What is Aphotic's MMSI?
Aphotic's MMSI is 368408250. Call sign WDQ2487.
How big is Aphotic?
Aphotic is about 10.7 m long, 3.5 m on the beam, drawing 1.5 m.
Is Aphotic on the Master's Mate Safety Initiative Network?
Not yet. If Aphotic 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.