[Code of Federal Regulations] [Title 14, Volume 1] [Revised as of January 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 14CFR35.43] [Page 813] TITLE 14--AERONAUTICS AND SPACE CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 35_AIRWORTHINESS STANDARDS: PROPELLERS--Table of Contents Subpart C_Tests and Inspections Sec. 35.43 Special tests. The Administrator may require any additional tests he finds necessary to substantiate the use of any unconventional features of design, material, or construction.