[Code of Federal Regulations] [Title 14, Volume 2] [Revised as of January 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 14CFR135.111] [Page 754] TITLE 14--AERONAUTICS AND SPACE CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) PART 135_OPERATING REQUIREMENTS: COMMUTER AND ON DEMAND OPERATIONS AND RULES GOVERNING PERSONS ON BOARD SUCH AIRCRAFT--Table of Contents Subpart B_Flight Operations Sec. 135.111 Second in command required in Category II operations. No person may operate an aircraft in a Category II operation unless there is a second in command of the aircraft.