Which FAR part outlines the requirements for what information should be included on maintenance records?

The correct answer focuses on the requirements for maintenance records as specified in FAR Part 43. This part of the Federal Aviation Regulations specifically covers the maintenance, preventive maintenance, rebuilding, and alteration of aircraft, including the necessary documentation of these activities.

FAR Part 43 outlines what needs to be recorded in the maintenance records, including details such as the date the work was performed, a description of the work done, the signature and certificate number of the person who performed the work, and any other pertinent information relevant to the maintenance or alteration of the aircraft. This ensures there is a clear and consistent record that can be referred to regarding the aircraft's condition and maintenance history, which is crucial for safety and regulatory compliance.

Other FAR parts mentioned do not focus on the maintenance record requirements. For instance, FAR Part 21 deals with certification procedures for products and parts, FAR Part 45 pertains to the identification and registration marking of products, while FAR Part 23 relates to airworthiness standards for normal category airplanes. As such, these parts do not address the specifics of how maintenance records should be kept or what information they must contain.