A towboat moving barges on a calm river at dusk
X3 MaritimeFree tool · 46 CFR 138

TSMS AuditWindows.

Enter the date your TSMS certificate was issued.

The rules your operation answers to
  • 46 CFR 136-144Subchapter M towing vessels
  • 46 CFR 199.180Monthly drills
  • 46 CFR 10.301Medical certificates
  • 46 CFR 16.230Random testing — 50%
  • 29 CFR 1915.12Confined & enclosed spaces
  • 29 CFR 1917.50Crane certification
  • 33 CFR 105.220Security drills every 3 months
  • 33 CFR 155.1060Spill response exercises
  • 46 CFR 4.05-10CG-2692 within 5 days
  • 46 CFR 4.06-32-hour / 32-hour test clocks

Inside X3 the same math runs on your real records, reminds you before each date, and prints the proof. Start a free 14-day trial.

Internal audits: within 3 months either side of each anniversary of the certificate (46 CFR 138.310). External: a mid-period audit between months 27 and 33 (46 CFR 138.315(a)(2)). Your TPO and certificate govern.