Which CFR covers the regulations regarding aerobatic flight?

The correct answer is based on the specific regulation that pertains to aerobatic flight. CFR 91.303 addresses aerobatic flight maneuvers, detailing where and how these maneuvers can be performed to ensure safety. It specifies the criteria that need to be adhered to, such as avoiding populated areas and ensuring that aerobatics do not occur over congested buildings or crowds. This regulation also outlines the requirements for altitude and the conditions under which aerobatic flight can take place, which helps maintain safety for both the pilot and people on the ground.

In contrast, the other options relate to different aspects of aviation regulations. CFR 91.301 pertains to the general operating and flight rules for visibility and flight over congested areas. CFR 91.305 covers operations within controlled airspace and the requirements associated with such operations, while CFR 91.307 involves the regulations surrounding parachute operations. Thus, this context helps to establish why CFR 91.303 is the relevant regulation for aerobatic flight.