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.
Freight Ship
PRESIDENT LB JOHNSON
MMSI 338881000 · Call sign KPJG
Not yet on Master's MateType
Freight Ship
Flag
USALength
250.7 m
Beam
40 m
Draft
22 m
Call sign
KPJG
IMO
9938377
Official No.
1050508
AIS reports
4
PRESIDENT LB JOHNSON is a general cargo ship listed on the the United States registry, spanning 250.7 metres. She has a beam of 40 m and a draft measuring 22 metres. Find her under MMSI 338881000, call sign KPJG, IMO 9938377. PRESIDENT LB JOHNSON can be part of the Master's Mate Safety Initiative Network at no cost — a community watch that never sleeps.
Free forever · No credit card · for commercial operators
Eyes on PRESIDENT LB JOHNSON, around the clock.
Real-time AIS, full systems telemetry, distress alerting and worldwide charts — your hull on one dashboard, from anywhere.
Put her on the dashboard — free →Takes 60 seconds · Your data stays yours · Built by cruisers, for cruisers
Live AIS position · Jun 9, 2026 22:16 UTC
Position
35.4416° N, 139.6841° E
Status
Under way (engine)
Speed
0.7 kn
Course
145°
Destination
JPYOK HM
ETA
06-09 20:00 UTC
Transiting the Sea of Japan? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put PRESIDENT LB JOHNSON 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.
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.
Worldwide Charts
Navionics-grade vector charts, satellite & raster overlays, online or off. Your whole cruising ground.
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.
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 PRESIDENT LB JOHNSON and switch it all on
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About PRESIDENT LB JOHNSON
What kind of vessel is PRESIDENT LB JOHNSON?
PRESIDENT LB JOHNSON is a Freight Ship flagged to United States of America.
Where was PRESIDENT LB JOHNSON last seen?
PRESIDENT LB JOHNSON was last reported in the Sea of Japan on public AIS.
What is PRESIDENT LB JOHNSON's MMSI?
PRESIDENT LB JOHNSON's MMSI is 338881000. Call sign KPJG. IMO 9938377.
How big is PRESIDENT LB JOHNSON?
PRESIDENT LB JOHNSON is about 250.7 m long, 40 m on the beam, drawing 22 m.
Is PRESIDENT LB JOHNSON on the Master's Mate Safety Initiative Network?
Not yet. If PRESIDENT LB JOHNSON is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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