Drone exam · Navigation, charts, and mission data Operations Mapping Why preserve the mission file that was actually flown? Select one answer A It lets later review reconstruct the route and settings used for that flight. B It makes the drone fly faster. C It replaces the flight log. D It guarantees insurance coverage. Check answer Correct answer: A. It lets later review reconstruct the route and settings used for that flight. The flown version is evidence of the plan used at the time, before later edits change it.