[Code of Federal Regulations]
[Title 14, Volume 2]
[Revised as of January 1, 2005]
From the U.S. Government Printing Office via GPO Access
[CITE: 14CFR121.161]

[Page 432]
 
                     TITLE 14--AERONAUTICS AND SPACE
 
CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION 
                               (CONTINUED)
 
PART 121_OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL 
OPERATIONS--Table of Contents
 
                     Subpart H_Aircraft Requirements
 
Sec. 121.161  Airplane limitations: Type of route.

    (a) Unless authorized by the Administrator, based on the character 
of the terrain, the kind of operation, or the performance of the 
airplane to be used, no certificate holder may operate two-engine or 
three-engine airplanes (except a three-engine turbine powered airplane) 
over a route that contains a point farther than 1 hour flying time (in 
still air at normal cruising speed with one engine inoperative) from an 
adequate airport.
    (b) Except as provided in paragraph (c) of this section, no 
certificate holder may operate a land airplane (other than a DC-3, C-46, 
CV-240, CV-340, CV-440, CV-580, CV-600, CV-640, or Martin 404) in an 
extended overwater operation unless it is certificated or approved as 
adequate for ditching under the ditching provisions of part 25 of this 
chapter.
    (c) Until December 20, 2010, a certificate holder may operate, in an 
extended overwater operation, a nontransport category land airplane type 
certificated after December 31, 1964, that was not certificated or 
approved as adequate for ditching under the ditching provisions of part 
25 of this chapter.

[Doc. No. 7329, 31 FR 13078, Oct. 8, 1966 as amended by Amdt. 121-162, 
45 FR 46739, July 10, 1980; Amdt. 121-251, 60 FR 65927, Dec. 20, 1995