[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: 14CFR25.117] [Page 357] TITLE 14--AERONAUTICS AND SPACE CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 25_AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY AIRPLANES-- Table of Contents Subpart B_Flight Sec. 25.117 Climb: general. Compliance with the requirements of Sec. Sec. 25.119 and 25.121 must be shown at each weight, altitude, and ambient temperature within the operational limits established for the airplane and with the most unfavorable center of gravity for each configuration.