[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: 14CFR121.99]

[Page 734-735]
 
                     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 E_Approval of Routes: Domestic and Flag Operations
 
Sec.  121.99  Communication facilities.

    (a) Each certificate holder conducting domestic or flag operations 
must show that a two-way radio communication system or other means of 
communication approved by the Administrator is available at points that 
will ensure reliable and rapid communications, under normal operating 
conditions over the entire route (either direct or via approved point-
to-point circuits) between each airplane and the

[[Page 735]]

appropriate dispatch office, and between each airplane and the 
appropriate air traffic control unit, except as specified as Sec.  
121.351(c).
    (b) For the following types of operations, the communications 
systems between each airplane and the dispatch office must be 
independent of any system operated by the United States:
    (1) All domestic operations;
    (2) Flag operations in the 48 contiguous States and the District of 
Columbia; and
    (3) After March 12, 2001, flag operations outside the 48 contiguous 
States and the District of Columbia.

[Doc. No. 28154, 62 FR 13256, Mar. 19, 1997]