[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: 14CFR135.158]

[Page 1095]
 
                     TITLE 14--AERONAUTICS AND SPACE
 
CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION 
                               (CONTINUED)
 
PART 135_OPERATING REQUIREMENTS: COMMUTER AND ON DEMAND OPERATIONS AND RULES 
 
                    Subpart C_Aircraft and Equipment
 
Sec. 135.158  Pitot heat indication systems.

    (a) Except as provided in paragraph (b) of this section, after April 
12, 1981, no person may operate a transport category airplane equipped 
with a flight instrument pitot heating system unless the airplane is 
also equipped with an operable pitot heat indication system that 
complies with Sec. 25.1326 of this chapter in effect on April 12, 1978.
    (b) A certificate holder may obtain an extension of the April 12, 
1981, compliance date specified in paragraph (a) of this section, but 
not beyond April 12, 1983, from the Director, Flight Standards Service 
if the certificate holder--
    (1) Shows that due to circumstances beyond its control it cannot 
comply by the specified compliance date; and
    (2) Submits by the specified compliance date a schedule for 
compliance, acceptable to the Director, indicating that compliance will 
be achieved at the earliest practicable date.

[Doc. No. 18094, Amdt. 135-17, 46 FR 48306, Aug. 31, 1981, as amended by 
Amdt. 135-33, 54 FR 39294, Sept. 25, 1989]