[Code of Federal Regulations]
[Title 14, Volume 1]
[Revised as of January 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 14CFR21.51]

[Page 131]
 
                     TITLE 14--AERONAUTICS AND SPACE
 
CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
 
PART 21_CERTIFICATION PROCEDURES FOR PRODUCTS AND PARTS--Table of 
Contents
 
                       Subpart B_Type Certificates
 
Sec.  21.51  Duration.

    A type certificate is effective until surrendered, suspended, 
revoked, or a termination date is otherwise established by the 
Administrator.