This document discusses the various laws and regulations concerning aircraft in 1926, including local, U.S., and international laws. List of chapters: Chapter 1. History of aviation laws; Chapter 2. State laws on aviation in the United States; Chapter 3. International aerial law in time of peace. Chapter 4. Customs; Chapter 5.International commission for air navigation; Chapter 6. Maritime or Admirality law; Chapter 7. In time of war; Chapter 8. Rights and obligations of belligerents with respect to enemy aircraft property; Chapter 9. Relations of neutrals and belligerents; Chapter 10. Aerial bombardment; Chapter 11.Municipal law of the air; Chapter 12. Aviator's liability for damages; Chapter 13. Federal or state legislation; Appendix 1. Air clauses of Versaille peace treaty; Appendix 2. Convention for regulation of air navigation; Appendix 3. Rules of aerial warfare.