[Code of Federal Regulations]
[Title 14, Volume 1]
[Revised as of January 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 14CFR21.50]

[Page 125]
 
                     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. 21.50  Instructions for continued airworthiness and manufacturer's 
maintenance manuals having airworthiness limitations sections.

    (a) The holder of a type certificate for a rotorcraft for which a 
Rotorcraft Maintenance Manual containing an ``Airworthiness 
Limitations'' section has been issued under Sec. 27.1529 (a)(2) or 
Sec. 29.1529 (a)(2) of this chapter, and who obtains approval of changes 
to any replacement time, inspection interval, or related procedure in 
that section of the manual, shall make those changes available upon 
request to any operator of the same type of rotorcraft.
    (b) The holder of a design approval, including either the type 
certificate or supplemental type certificate for an aircraft, aircraft 
engine, or propeller for which application was made after January 28, 
1981, shall furnish at least one set of complete Instructions for 
Continued Airworthiness, prepared in accordance with Secs. 23.1529, 
25.1529, 27.1529, 29.1529, 31.82, 33.4, or 35.4 of this chapter, or as 
specified in the applicable airworthiness criteria for special classes 
of aircraft defined in Sec. 21.17(b), as applicable, to the owner of 
each type of aircraft, aircraft engine, or propeller upon its delivery, 
or upon issuance of the first standard airworthiness certificate for the 
affected aircraft, whichever occurs later, and thereafter make those 
instructions available to any other person required by this chapter to 
comply with any of the terms of these instructions. In addition, changes 
to the Instructions for Continued Airworthiness shall be made available 
to any person required by this chapter to comply with any of those 
instructions.

[Amdt. No. 21-23, 33 FR 14105, Sept. 18, 1968, as amended by Amdt. No 
21-51, 45 FR 60170, Sept. 11, 1980; Amdt. 21-60, 52 FR 8042, Mar. 13, 
1987]