[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: 14CFR27.177] [Page 579] TITLE 14--AERONAUTICS AND SPACE CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 27_AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT--Table of Contents Subpart B_Flight Sec. 27.177 Static directional stability. Static directional stability must be positive with throttle and collective controls held constant at the trim conditions specified in Sec. 27.175 (a) and (b). This must be shown by steadily increasing directional control deflection for sideslip angles up to 10[deg] from trim. Sufficient cues must accompany sideslip to alert the pilot when approaching sideslip limits. [Amdt. 27-21, 49 FR 44433, Nov. 6, 1984] Ground and Water Handling Characteristics