Safety standards
STCW compliance · onboard medical capability · life raft + EPIRB · O2 supply · DAN protocol training.

Visit each vessel in person during dry-dock or refit. Verify safety equipment, dive deck, cabins.
Cross-check crew credentials, certifications, incident history with port authorities.
Sail with each operator for at least one full itinerary. Anonymous booking, blind review.
Re-audit every operator each November. Drop any falling below thresholds.