[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: 14CFR137.21]

[Page 1191-1192]
 
                     TITLE 14--AERONAUTICS AND SPACE
 
CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION 
                               (CONTINUED)
 
PART 137_AGRICULTURAL AIRCRAFT OPERATIONS--Table of Contents
 
                      Subpart B_Certification Rules
 
Sec. 137.21  Duration of certificate.

    An agricultural aircraft operator certificate is effective until it 
is surrendered, suspended, or revoked. The holder of an agricultural 
aircraft operator

[[Page 1192]]

certificate that is suspended or revoked shall return it to the 
Administrator.