[Code of Federal Regulations] [Title 14, Volume 2] [Revised as of January 1, 2008] From the U.S. Government Printing Office via GPO Access [CITE: 14CFR135.183] [Page 1107] 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 Subpart C_Aircraft and Equipment Sec. 135.183 Performance requirements: Land aircraft operated over water. No person may operate a land aircraft carrying passengers over water unless-- (a) It is operated at an altitude that allows it to reach land in the case of engine failure; (b) It is necessary for takeoff or landing; (c) It is a multiengine aircraft operated at a weight that will allow it to climb, with the critical engine inoperative, at least 50 feet a minute, at an altitude of 1,000 feet above the surface; or (d) It is a helicopter equipped with helicopter flotation devices.