Drone exam · Registration, Remote ID, and digital systems Regulation Software A red polygon in a third party app shows no text. What should the pilot do? Select one answer A Open the official source and read the actual conditions and validity. B Assume all flight is permanently prohibited. C Assume it is only decorative. D Turn the layer off. Check answer Correct answer: A. Open the official source and read the actual conditions and validity. Colour alone may not show the condition attached to a zone.