Drone exam · Incident reporting and recordkeeping Safety Operations Which controls improve safety record integrity? Select all correct answers A Access permissions. B Backups. C Version history or traceable corrections. D Reliable timestamps. E One unprotected personal spreadsheet as the only copy. Check answer Correct answers: A, B, C, and D. Access permissions; Backups; Version history or traceable corrections; Reliable timestamps. Safety records need availability, integrity and traceability.