What are the major sections covered in the SCA Pre-Solo Written Exam?

The rationale for choice B being correct lies in the comprehensive coverage of fundamental topics necessary for a pilot preparing for solo flight. Airspace knowledge is crucial as it helps pilots navigate safely within various controlled and uncontrolled airspace regions. Understanding weather is essential for making informed decisions about flight safety and planning. Navigation skills are key to ensuring that pilots can determine their position and plan routes effectively. Aircraft systems knowledge is important for operating the aircraft safely and responding adequately to any issues that may arise. Procedures tie these elements together, providing pilots with protocols to follow during different phases of flight. Overall, this combination of topics ensures that a pilot is well-prepared for the responsibilities that come with solo flight.

The other choices do not encompass the necessary breadth of subjects. For instance, option A, while covering airspace and navigation, omits crucial areas like aircraft systems. Option C misses out on navigation and airspace, making it less comprehensive. Lastly, option D lacks coverage of critical elements like regulations and procedures, which are essential for ensuring a pilot's comprehensive understanding prior to going solo.