[Code of Federal Regulations] [Title 14, Volume 2] [Revised as of January 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 14CFR137.47] [Page 1163] TITLE 14--AERONAUTICS AND SPACE CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED) PART 137_AGRICULTURAL AIRCRAFT OPERATIONS--Table of Contents Subpart C_Operating Rules Sec. 137.47 Operation without position lights. Notwithstanding part 91 of this chapter, an aircraft may be operated without position lights if prominent unlighted objects are visible for at least 1 mile and takeoffs and landings at-- (a) Airports with a functioning control tower are made only as authorized by the control tower operator; and (b) Other airports are made only with the permission of the airport management and no other aircraft operations requiring position lights are in progress at that airport.