Airworthiness certificates remain in force as long as maintenance and alteration of the aircraft are performed per FARs. 4.2A FAR PART ... Part 43, Appendix A. Major Alterations and Repairs and Preventive Maintenance (Questions 20-21 ) 1 .
|Title||:||Private Pilot and Recreational Pilot FAA Written Exam for the FAA Computer-Based Pilot Knowledge Tests|
|Author||:||Irvin N. Gleim|