[Code of Federal Regulations]

[Title 14, Volume 2]

[Revised as of January 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 14CFR121.139]



[Page 433]

 

                     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 G_Manual Requirements

 

Sec. 121.139  Requirements for manual aboard aircraft: Supplemental 

operations.



    (a) Except is provided in paragraph (b) of this section, each 

certificate holder conducting supplemental operations shall carry 

appropriate parts of the manual on each airplane when away from the 

principal base of operations. The appropriate parts must be available 

for use by ground or flight personnel. If the certificate holder carries 

aboard an airplane all or any portion of the maintenance part of its 

manual in other than printed form, it must carry a compatible reading 

device that produces a legible image of the maintenance information and 

instructions or a system that is able to retrieve the maintenance 

information and instructions in the English language.

    (b) If a certificate holder conducting supplemental operations is 

able to perform all scheduled maintenance at specified stations where it 

keeps maintenance parts of the manual, it does not have to carry those 

parts of the manual aboard the aircraft en route to those stations.



[Doc. No. 6258, 29 FR 19196, Dec. 31, 1964, as amended by Amdt. 12-71, 

35 FR 17176, Nov. 7, 1970; Amdt. 121-253, 61 FR 2611, Jan. 26, 1996; 

Amdt. 121-262, 62 FR 13256, Mar. 19, 1997; 62 FR 15570, Apr. 1, 1997]