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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.
Towing Vessel
OSG Endurance
MMSI 367501540 · Call sign WDF9078
Not yet on Master's MateType
Towing Vessel
Flag
USALength
40.1 m
Beam
11.6 m
Draft
6.7 m
Call sign
WDF9078
IMO
9441477
Official No.
1231406
AIS reports
1
OSG Endurance is an American harbour workboat, 40.1 metres long. Her hull carries a beam measuring 11.6 metres and a draft of 6.7 m. Look for MMSI 367501540, call sign WDF9078, IMO 9441477. Give OSG Endurance the backing of the Master's Mate Safety Initiative Network — free, and a fleet that has her back.
Free forever · No credit card · for working boats
Built for boats that work — like OSG Endurance.
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 20:17 UTC
Position
29.6059° N, 93.7785° W
Status
At anchor
Speed
0.1 kn
Course
252°
Destination
SABINE PASS
ETA
06-08 07:00 UTC
Working the Gulf of Mexico? You're never out there alone.
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Joining the Safety Initiative Network doesn't just put OSG Endurance 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 OSG Endurance and switch it all on
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About OSG Endurance
What kind of vessel is OSG Endurance?
OSG Endurance is a Towing Vessel flagged to United States of America.
Where was OSG Endurance last seen?
OSG Endurance was last reported in the Gulf of Mexico on public AIS.
What is OSG Endurance's MMSI?
OSG Endurance's MMSI is 367501540. Call sign WDF9078. IMO 9441477.
How big is OSG Endurance?
OSG Endurance is about 40.1 m long, 11.6 m on the beam, drawing 6.7 m.
Is OSG Endurance on the Master's Mate Safety Initiative Network?
Not yet. If OSG Endurance is your boat, you can claim it free and join the Master's Mate Safety Initiative Network (MMSIn).
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